diff --git a/src/test/resources/queries/attribute/any-element-with-attribute.jsonld b/src/test/resources/queries/attribute/any-element-with-attribute.jsonld
index 25b39b4..ead458e 100644
--- a/src/test/resources/queries/attribute/any-element-with-attribute.jsonld
+++ b/src/test/resources/queries/attribute/any-element-with-attribute.jsonld
@@ -5,11 +5,11 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:span",
+        "@type": "koral:span",
         "attr": {
-            "@type": "korap:term",
+            "@type": "koral:term",
             "arity": {
-                "@type": "korap:boundary",
+                "@type": "koral:boundary",
                 "min": 2,
                 "max": 2
             }
diff --git a/src/test/resources/queries/attribute/element-multiple-and-not-attributes.jsonld b/src/test/resources/queries/attribute/element-multiple-and-not-attributes.jsonld
index cd18b96..127876c 100644
--- a/src/test/resources/queries/attribute/element-multiple-and-not-attributes.jsonld
+++ b/src/test/resources/queries/attribute/element-multiple-and-not-attributes.jsonld
@@ -5,26 +5,26 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:span",
+        "@type": "koral:span",
         "key": "div",
         "attr": {
-            "@type": "korap:termGroup",
+            "@type": "koral:termGroup",
             "relation": "relation:and",
             "operands": [
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "type",
                     "key": "Zeitschrift",
                     "match": "match:eq"
                 },
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "complete",
                     "key": "Y",
                     "match": "match:ne"
                 },
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "n",
                     "key": "0",
                     "match": "match:eq"
diff --git a/src/test/resources/queries/attribute/element-multiple-or-attributes.jsonld b/src/test/resources/queries/attribute/element-multiple-or-attributes.jsonld
index c194f21..1f1291e 100644
--- a/src/test/resources/queries/attribute/element-multiple-or-attributes.jsonld
+++ b/src/test/resources/queries/attribute/element-multiple-or-attributes.jsonld
@@ -5,26 +5,26 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:span",
+        "@type": "koral:span",
         "key": "div",
         "attr": {
-            "@type": "korap:termGroup",
+            "@type": "koral:termGroup",
             "relation": "relation:or",
             "operands": [
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "type",
                     "key": "Zeitschrift",
                     "match": "match:eq"
                 },
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "complete",
                     "key": "Y",
                     "match": "match:eq"
                 },
                 {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "n",
                     "key": "0",
                     "match": "match:eq"
diff --git a/src/test/resources/queries/attribute/element-single-attribute.jsonld b/src/test/resources/queries/attribute/element-single-attribute.jsonld
index 9f21989..4ffe13c 100644
--- a/src/test/resources/queries/attribute/element-single-attribute.jsonld
+++ b/src/test/resources/queries/attribute/element-single-attribute.jsonld
@@ -5,10 +5,10 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:span",
+        "@type": "koral:span",
         "key": "head",
         "attr": {
-            "@type": "korap:term",
+            "@type": "koral:term",
             "layer": "type",
             "key": "top",
             "match": "match:eq"
diff --git a/src/test/resources/queries/attribute/element-single-not-attribute.jsonld b/src/test/resources/queries/attribute/element-single-not-attribute.jsonld
index c4e8714..12ada99 100644
--- a/src/test/resources/queries/attribute/element-single-not-attribute.jsonld
+++ b/src/test/resources/queries/attribute/element-single-not-attribute.jsonld
@@ -5,10 +5,10 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:span",
+        "@type": "koral:span",
         "key": "head",
         "attr": {
-            "@type": "korap:term",
+            "@type": "koral:term",
             "layer": "type",
             "key": "top",
             "match": "match:ne"
diff --git a/src/test/resources/queries/benchmark1.jsonld b/src/test/resources/queries/benchmark1.jsonld
index dccdeef..f86b550 100644
--- a/src/test/resources/queries/benchmark1.jsonld
+++ b/src/test/resources/queries/benchmark1.jsonld
@@ -1,20 +1,20 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:position", 
 	"frames": ["frames:isAround"],
 	"operands": [
 	    {
-		"@type": "korap:span",
+		"@type": "koral:span",
 		"layer" : "c",
 		"foundry" : "cnx",
 		"key": "np"
 	    }, 
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "foundry": "mate",
 		    "layer": "pos",
 		    "key" : "NE"
diff --git a/src/test/resources/queries/benchmark1b.jsonld b/src/test/resources/queries/benchmark1b.jsonld
index 5ee9791..3923f21 100644
--- a/src/test/resources/queries/benchmark1b.jsonld
+++ b/src/test/resources/queries/benchmark1b.jsonld
@@ -1,25 +1,25 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:position", 
 	"frames": ["frames:isAround"],
 	"operands": [
 	    {
-		"@type": "korap:span",
+		"@type": "koral:span",
 		"layer" : "c",
 		"foundry" : "cnx",
 		"key": "np"
 	    },
 	    {
-		"@type" : "korap:group",
+		"@type" : "koral:group",
 		"operation" : "operation:class",
 		"classOut" : 1,
 		"operands" : [
 		    {
-			"@type": "korap:token",
+			"@type": "koral:token",
 			"wrap" : {
-			    "@type": "korap:term", 
+			    "@type": "koral:term", 
 			    "foundry": "mate",
 			    "layer": "pos",
 			    "key" : "NE"
diff --git a/src/test/resources/queries/benchmark2.jsonld b/src/test/resources/queries/benchmark2.jsonld
index 81c1016..4c72b49 100644
--- a/src/test/resources/queries/benchmark2.jsonld
+++ b/src/test/resources/queries/benchmark2.jsonld
@@ -1,9 +1,9 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap" : {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "layer": "orth",
 	    "key" : "Buchstabe"
 	}
diff --git a/src/test/resources/queries/benchmark3.jsonld b/src/test/resources/queries/benchmark3.jsonld
index 36acfe9..84da4d9 100644
--- a/src/test/resources/queries/benchmark3.jsonld
+++ b/src/test/resources/queries/benchmark3.jsonld
@@ -1,22 +1,22 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:sequence",
 	"operands": [
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "foundry": "mate",
 		    "layer": "pos",
 		    "key" : "ADJA"
 		}
 	    },
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "foundry": "mate",
 		    "layer": "pos",
 		    "key" : "NE"
diff --git a/src/test/resources/queries/benchmark5-ohne.jsonld b/src/test/resources/queries/benchmark5-ohne.jsonld
index 725be7a..ddba8d6 100644
--- a/src/test/resources/queries/benchmark5-ohne.jsonld
+++ b/src/test/resources/queries/benchmark5-ohne.jsonld
@@ -1,29 +1,29 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:sequence",
 	"operands": [
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "layer": "orth",
 		    "key" : "der"
 		}
 	    },
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "layer": "orth",
 		    "key" : "Mann"
 		}
 	    },
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "layer": "orth",
 		    "key" : "und"
 		}
diff --git a/src/test/resources/queries/benchmark5-submatch.jsonld b/src/test/resources/queries/benchmark5-submatch.jsonld
index 885b458..b38c116 100644
--- a/src/test/resources/queries/benchmark5-submatch.jsonld
+++ b/src/test/resources/queries/benchmark5-submatch.jsonld
@@ -1,47 +1,47 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:sequence",
 	"operands": [
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "layer": "orth",
 		    "key" : "der"
 		}
 	    },
 	    {
-		"@type" : "korap:reference",
+		"@type" : "koral:reference",
 		"classRef" : [2],
 		"operands" : [
 		    {
-			"@type" : "korap:group",
+			"@type" : "koral:group",
 			"operation" : "operation:class",
 			"classOut" : 1,
 			"operands" : [
 			    {
-				"@type": "korap:group", 
+				"@type": "koral:group", 
 				"operation": "operation:sequence",
 				"operands" : [
 				    {
-					"@type": "korap:token",
+					"@type": "koral:token",
 					"wrap" : {
-					    "@type": "korap:term", 
+					    "@type": "koral:term", 
 					    "layer": "orth",
 					    "key" : "Mann"
 					}
 				    },
 				    {
-					"@type" : "korap:group",
+					"@type" : "koral:group",
 					"operation" : "operation:class",
 					"classOut" : 2,
 					"operands" : [
 					    {
-						"@type": "korap:token",
+						"@type": "koral:token",
 						"wrap" : {
-						    "@type": "korap:term", 
+						    "@type": "koral:term", 
 						    "layer": "orth",
 						    "key" : "und"
 						}
diff --git a/src/test/resources/queries/benchmark5.jsonld b/src/test/resources/queries/benchmark5.jsonld
index 1f64527..dfd0894 100644
--- a/src/test/resources/queries/benchmark5.jsonld
+++ b/src/test/resources/queries/benchmark5.jsonld
@@ -1,43 +1,43 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation": "operation:sequence",
 	"operands": [
 	    {
-		"@type": "korap:token",
+		"@type": "koral:token",
 		"wrap" : {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "layer": "orth",
 		    "key" : "der"
 		}
 	    },
 	    {
-		"@type" : "korap:group",
+		"@type" : "koral:group",
 		"operation" : "operation:class",
 		"classOut" : 1,
 		"operands" : [
 		    {
-			"@type": "korap:group", 
+			"@type": "koral:group", 
 			"operation": "operation:sequence",
 			"operands" : [
 			    {
-				"@type": "korap:token",
+				"@type": "koral:token",
 				"wrap" : {
-				    "@type": "korap:term", 
+				    "@type": "koral:term", 
 				    "layer": "orth",
 				    "key" : "Mann"
 				}
 			    },
 			    {
-				"@type" : "korap:group",
+				"@type" : "koral:group",
 				"operation" : "operation:class",
 				"classOut" : 2,
 				"operands" : [
 				    {
-					"@type": "korap:token",
+					"@type": "koral:token",
 					"wrap" : {
-					    "@type": "korap:term", 
+					    "@type": "koral:term", 
 					    "layer": "orth",
 					    "key" : "und"
 					}
diff --git a/src/test/resources/queries/bsp-boundary.jsonld b/src/test/resources/queries/bsp-boundary.jsonld
index f93fa14..4f72f4a 100644
--- a/src/test/resources/queries/bsp-boundary.jsonld
+++ b/src/test/resources/queries/bsp-boundary.jsonld
@@ -1 +1 @@
-{"@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","errors":[],"warnings":[],"announcements":["Deprecated 2014-07-24: 'min' and 'max' to be supported until 3 months from deprecation date."],"query":{"@type":"korap:group","operation":"operation:sequence","operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","layer":"orth","key":"Tal","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","layer":"orth","key":"Wald","match":"match:eq"}}],"inOrder":true,"distances":[{"@type":"korap:distance","key":"w","boundary":{"@type":"korap:boundary","min":2},"min":2}]},"collections":[{"@type":"korap:meta-filter","@value":{"@type":"korap:term","@field":"korap:field#corpusID","@value":"WPD"}}],"meta":{"startPage":1,"itemsPerResource":1,"context":"paragraph"}}
+{"@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","errors":[],"warnings":[],"announcements":["Deprecated 2014-07-24: 'min' and 'max' to be supported until 3 months from deprecation date."],"query":{"@type":"koral:group","operation":"operation:sequence","operands":[{"@type":"koral:token","wrap":{"@type":"koral:term","layer":"orth","key":"Tal","match":"match:eq"}},{"@type":"koral:token","wrap":{"@type":"koral:term","layer":"orth","key":"Wald","match":"match:eq"}}],"inOrder":true,"distances":[{"@type":"koral:distance","key":"w","boundary":{"@type":"koral:boundary","min":2},"min":2}]},"collections":[{"@type":"koral:meta-filter","@value":{"@type":"koral:term","@field":"koral:field#corpusID","@value":"WPD"}}],"meta":{"startPage":1,"itemsPerResource":1,"context":"paragraph"}}
diff --git a/src/test/resources/queries/bsp-bug.jsonld b/src/test/resources/queries/bsp-bug.jsonld
index e46374e..10fa11c 100644
--- a/src/test/resources/queries/bsp-bug.jsonld
+++ b/src/test/resources/queries/bsp-bug.jsonld
@@ -1,7 +1,7 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:reference",
+    "@type": "koral:reference",
     "classRef" : [0],
     "operands" : []
   },
diff --git a/src/test/resources/queries/bsp-class-2.jsonld b/src/test/resources/queries/bsp-class-2.jsonld
index 4cccfa5..3e5f01a 100644
--- a/src/test/resources/queries/bsp-class-2.jsonld
+++ b/src/test/resources/queries/bsp-class-2.jsonld
@@ -1,13 +1,13 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:class",
       "classOut" : 0,
       "operands" : [ {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Straße",
           "layer" : "l",
           "foundry" : "cnx",
diff --git a/src/test/resources/queries/bsp-class.jsonld b/src/test/resources/queries/bsp-class.jsonld
index f095a47..708862a 100644
--- a/src/test/resources/queries/bsp-class.jsonld
+++ b/src/test/resources/queries/bsp-class.jsonld
@@ -1,18 +1,18 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation" : "operation:class",
    "classOut":1,
     "operands":[
       {
-	"@type":"korap:group",
+	"@type":"koral:group",
 	"operation" : "operation:sequence",
 	"operands":[
 	  {
-	    "@type":"korap:token",
+	    "@type":"koral:token",
 	    "wrap":{
-	      "@type":"korap:term",
+	      "@type":"koral:term",
 	      "foundry":"tt",
 	      "layer" : "pos",
 	      "key" : "ADJA",
@@ -20,9 +20,9 @@
 	    }
 	  },
 	  {
-	    "@type":"korap:token",
+	    "@type":"koral:token",
 	    "wrap":{
-	      "@type":"korap:term",
+	      "@type":"koral:term",
 	      "foundry":"mate",
 		"layer" : "p",
 	      "key" : "NN",
@@ -33,5 +33,5 @@
       }
     ]
   },
-  "collections":[{"@type":"korap:meta-filter","@value":{"@type":"korap:term","@field":"korap:field#corpusID","@value":"WPD"}}],
+  "collections":[{"@type":"koral:meta-filter","@value":{"@type":"koral:term","@field":"koral:field#corpusID","@value":"WPD"}}],
   "meta":{"startPage":1,"count":50,"context":{"left":["token",6],"right":["token",6]}}}
diff --git a/src/test/resources/queries/bsp-context-2.jsonld b/src/test/resources/queries/bsp-context-2.jsonld
index ceed6ac..481ab44 100644
--- a/src/test/resources/queries/bsp-context-2.jsonld
+++ b/src/test/resources/queries/bsp-context-2.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query":{
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	    "@type":"korap:term",
+	    "@type":"koral:term",
 	    "foundry" : "mate",
 	    "layer":"l",
 	    "key":"wert",
@@ -12,10 +12,10 @@
     },
     "collections":[
 	{
-	    "@type":"korap:meta-filter",
+	    "@type":"koral:meta-filter",
 	    "@value":{
-		"@type":"korap:term",
-		"@field":"korap:field#corpusID",
+		"@type":"koral:term",
+		"@field":"koral:field#corpusID",
 		"@value":"WPD"
 	    }
 	}
diff --git a/src/test/resources/queries/bsp-context-sentence.jsonld b/src/test/resources/queries/bsp-context-sentence.jsonld
index 123ce0b..28488b3 100644
--- a/src/test/resources/queries/bsp-context-sentence.jsonld
+++ b/src/test/resources/queries/bsp-context-sentence.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query":{
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	    "@type":"korap:term",
+	    "@type":"koral:term",
 	    "foundry" : "mate",
 	    "layer":"l",
 	    "key":"wert",
@@ -12,10 +12,10 @@
     },
     "collections":[
 	{
-	    "@type":"korap:meta-filter",
+	    "@type":"koral:meta-filter",
 	    "@value":{
-		"@type":"korap:term",
-		"@field":"korap:field#corpusID",
+		"@type":"koral:term",
+		"@field":"koral:field#corpusID",
 		"@value":"WPD"
 	    }
 	}
diff --git a/src/test/resources/queries/bsp-context.jsonld b/src/test/resources/queries/bsp-context.jsonld
index cd1ed3e..cd07ea1 100644
--- a/src/test/resources/queries/bsp-context.jsonld
+++ b/src/test/resources/queries/bsp-context.jsonld
@@ -1,9 +1,9 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer" : "l",
       "key" : "alphabet", 
diff --git a/src/test/resources/queries/bsp-cutoff.jsonld b/src/test/resources/queries/bsp-cutoff.jsonld
index 6c8da96..9bb9262 100644
--- a/src/test/resources/queries/bsp-cutoff.jsonld
+++ b/src/test/resources/queries/bsp-cutoff.jsonld
@@ -1,9 +1,9 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer": "lemma",
       "key" : "alphabet", 
diff --git a/src/test/resources/queries/bsp-fail1.jsonld b/src/test/resources/queries/bsp-fail1.jsonld
index fc6fb51..69ddb25 100644
--- a/src/test/resources/queries/bsp-fail1.jsonld
+++ b/src/test/resources/queries/bsp-fail1.jsonld
@@ -1,18 +1,18 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-        "@type": "korap:group", 
+        "@type": "koral:group", 
         "frames": ["frame:isAround"], 
         "operation": "operation:position"
         "operands": [
             {
-              "@type": "korap:span", 
+              "@type": "koral:span", 
               "key": "np"
             }, 
             {
-                "@type": "korap:token", 
+                "@type": "koral:token", 
                 "wrap": {
-                  "@type": "korap:term", 
+                  "@type": "koral:term", 
 		  "foundry" : "mate",
                   "layer": "l",
 		  "key" : "Mann", 
diff --git a/src/test/resources/queries/bsp-fail2.jsonld b/src/test/resources/queries/bsp-fail2.jsonld
index 96a3bb5..fff6ebf 100644
--- a/src/test/resources/queries/bsp-fail2.jsonld
+++ b/src/test/resources/queries/bsp-fail2.jsonld
@@ -1,20 +1,20 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "operation": "operation:position",
     "frames": ["frames:isAround"], 
     "operands": [
       {
-        "@type": "korap:span", 
+        "@type": "koral:span", 
 	"foundry" : "cnx",
 	"layer" : "c",
         "key": "np"
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
 	  "foundry" : "mate",
           "layer": "l",
 	  "key" : "Mann", 
diff --git a/src/test/resources/queries/bsp-itemsPerResource.jsonld b/src/test/resources/queries/bsp-itemsPerResource.jsonld
index d4be7fe..81bcf6e 100644
--- a/src/test/resources/queries/bsp-itemsPerResource.jsonld
+++ b/src/test/resources/queries/bsp-itemsPerResource.jsonld
@@ -1,9 +1,9 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer" : "lemma",
       "key":"alphabet", 
diff --git a/src/test/resources/queries/bsp-paging.jsonld b/src/test/resources/queries/bsp-paging.jsonld
index 9e258cc..f84503a 100644
--- a/src/test/resources/queries/bsp-paging.jsonld
+++ b/src/test/resources/queries/bsp-paging.jsonld
@@ -1,9 +1,9 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer" : "lemma",
       "key":"alphabet", 
diff --git a/src/test/resources/queries/bsp-repetition.jsonld b/src/test/resources/queries/bsp-repetition.jsonld
index 342b7d5..05dc23b 100644
--- a/src/test/resources/queries/bsp-repetition.jsonld
+++ b/src/test/resources/queries/bsp-repetition.jsonld
@@ -2,31 +2,31 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "boundary" : {
-               "@type" : "korap:boundary",
+               "@type" : "koral:boundary",
                "max" : 2,
                "min" : 0
             },
@@ -34,9 +34,9 @@
             "min" : 0,
             "operands" : [
                {
-                  "@type" : "korap:token",
+                  "@type" : "koral:token",
                   "wrap" : {
-                     "@type" : "korap:term",
+                     "@type" : "koral:term",
                      "foundry" : "cnx",
                      "key" : "A",
                      "layer" : "p",
@@ -47,9 +47,9 @@
             "operation" : "operation:repetition"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/bsp-result-check.jsonld b/src/test/resources/queries/bsp-result-check.jsonld
index be037f7..18a522d 100644
--- a/src/test/resources/queries/bsp-result-check.jsonld
+++ b/src/test/resources/queries/bsp-result-check.jsonld
@@ -9,21 +9,21 @@
     }
   },
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation":"operation:or",
     "operands":[
       {
-        "@type":"korap:token",
+        "@type":"koral:token",
         "wrap":{
-          "@type":"korap:term",
+          "@type":"koral:term",
           "layer":"orth",
           "key":"a",
           "match":"match:eq"
         }
       },{
-        "@type":"korap:token",
+        "@type":"koral:token",
         "wrap":{
-          "@type":"korap:term",
+          "@type":"koral:term",
           "layer":"orth",
           "key":"b",
           "match":"match:eq"
diff --git a/src/test/resources/queries/bsp-startswith.json b/src/test/resources/queries/bsp-startswith.json
index 95df8b9..1b6e94a 100644
--- a/src/test/resources/queries/bsp-startswith.json
+++ b/src/test/resources/queries/bsp-startswith.json
@@ -1,13 +1,13 @@
 {
   "@context":"http://korap.ids-mannheim.de/ns/query/context.json.ld",
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "relation":"position",
     "frames":[
       "frames:startsWith"
     ],
     "operands":[
       {
-	"@type":"korap:element",
+	"@type":"koral:element",
 	"@value":"s"
-      },{"@type":"korap:sequence","operands":[{"@type":"korap:group","class":"0","operands":[{"@type":"korap:token","@value":{"@type":"korap:term","@value":"tt_p:ADJA","relation":"="}}]},{"@type":"korap:token","@value":{"@type":"korap:term","@value":"mate_p:NN","relation":"="}}]}]},"meta":[{"@type":"korap:meta-filter","@value":{"@type":"korap:term","@field":"korap:field#corpusID","@value":"A00"}},{"@type":"korap:meta-extend","@value":{"@type":"korap:term","@field":"korap:field#corpusID","@value":"A01"}}],"startPage":1,"count":50,"context":{"left":["token",6],"right":["token",6]}}
+      },{"@type":"koral:sequence","operands":[{"@type":"koral:group","class":"0","operands":[{"@type":"koral:token","@value":{"@type":"koral:term","@value":"tt_p:ADJA","relation":"="}}]},{"@type":"koral:token","@value":{"@type":"koral:term","@value":"mate_p:NN","relation":"="}}]}]},"meta":[{"@type":"koral:meta-filter","@value":{"@type":"koral:term","@field":"koral:field#corpusID","@value":"A00"}},{"@type":"koral:meta-extend","@value":{"@type":"koral:term","@field":"koral:field#corpusID","@value":"A01"}}],"startPage":1,"count":50,"context":{"left":["token",6],"right":["token",6]}}
diff --git a/src/test/resources/queries/bsp-uid-example.jsonld b/src/test/resources/queries/bsp-uid-example.jsonld
index 72f1c53..58a2a19 100644
--- a/src/test/resources/queries/bsp-uid-example.jsonld
+++ b/src/test/resources/queries/bsp-uid-example.jsonld
@@ -1,9 +1,9 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer" : "lemma",
       "key":"sein", 
diff --git a/src/test/resources/queries/bsp1.jsonld b/src/test/resources/queries/bsp1.jsonld
index 3cc2171..c12de9a 100644
--- a/src/test/resources/queries/bsp1.jsonld
+++ b/src/test/resources/queries/bsp1.jsonld
@@ -1,38 +1,38 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "operation": "operation:or",
     "operands": [
       {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	  "@type": "korap:term", 
+	  "@type": "koral:term", 
 	  "layer": "base",
 	  "key": "foo"
 	}
       }, 
       {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"min" : 0,
 	"operation": "operation:repetition",
 	"operands": [
 	  {
-	    "@type": "korap:group", 
+	    "@type": "koral:group", 
 	    "operation" : "operation:sequence",
 	    "operands": [
 	      {
-		"@type": "korap:token", 
+		"@type": "koral:token", 
 		"wrap": {
-		  "@type": "korap:term", 
+		  "@type": "koral:term", 
 		  "key": "foo", 
 		  "layer" : "base"
 		}
 	      },
 	      {
-		"@type": "korap:token", 
+		"@type": "koral:token", 
 		"wrap": {
-		  "@type": "korap:term",
+		  "@type": "koral:term",
 		  "layer": "base",
 		  "key" : "bar"
 		}
diff --git a/src/test/resources/queries/bsp10.jsonld b/src/test/resources/queries/bsp10.jsonld
index 384175d..ceb32a2 100644
--- a/src/test/resources/queries/bsp10.jsonld
+++ b/src/test/resources/queries/bsp10.jsonld
@@ -1,30 +1,30 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "operation" : "operation:sequence",
     "operands": [
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
 	  "foundry" : "mate",
           "layer": "lemma",
           "key" : "Katze"
         }
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "orth",
           "key" : "und"
         }
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "orth",
           "key" : "Hunde"
         }
diff --git a/src/test/resources/queries/bsp11.jsonld b/src/test/resources/queries/bsp11.jsonld
index 060899f..6597918 100644
--- a/src/test/resources/queries/bsp11.jsonld
+++ b/src/test/resources/queries/bsp11.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,25 +96,25 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:termGroup", 
+      "@type": "koral:termGroup", 
       "relation": "relation:or",
       "operands": [
         {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
 	  "foundry" : "mate",
           "layer": "lemma",
           "key" : "Katze", 
           "match": "match:ne"
         }, 
         {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "orth",
           "key" : "Katzen", 
           "match" : "match:ne"
diff --git a/src/test/resources/queries/bsp12.jsonld b/src/test/resources/queries/bsp12.jsonld
index 6b7a7b5..bd5fe55 100644
--- a/src/test/resources/queries/bsp12.jsonld
+++ b/src/test/resources/queries/bsp12.jsonld
@@ -1,18 +1,18 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "operation": "operation:position", 
     "frames": ["frames:isAround"],
     "operands": [
       {
-        "@type": "korap:span", 
+        "@type": "koral:span", 
         "key": "np"
       }, 
       {
-        "@type": "korap:token",
+        "@type": "koral:token",
         "wrap" : {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "foundry": "mate",
           "layer": "lemma",
           "key" : "Mann"
diff --git a/src/test/resources/queries/bsp13.jsonld b/src/test/resources/queries/bsp13.jsonld
index 879fbf5..e7659aa 100644
--- a/src/test/resources/queries/bsp13.jsonld
+++ b/src/test/resources/queries/bsp13.jsonld
@@ -1,18 +1,18 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "frames": ["frames:startsWith", "frames:alignsLeft", "frames:matches"], 
     "operation": "operation:position",
     "operands": [
       {
-        "@type": "korap:span", 
+        "@type": "koral:span", 
         "key": "np"
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "pos",
           "key" : "Det", 
           "match" : "match:ne"
diff --git a/src/test/resources/queries/bsp13b.jsonld b/src/test/resources/queries/bsp13b.jsonld
index 077aeff..819f1db 100644
--- a/src/test/resources/queries/bsp13b.jsonld
+++ b/src/test/resources/queries/bsp13b.jsonld
@@ -1,18 +1,18 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "frames": ["frames:startsWith", "frames:alignsLeft", "frames:matches"],
     "operation": "operation:position",
     "operands": [
       {
-        "@type": "korap:span", 
+        "@type": "koral:span", 
         "key": "np"
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
 	  "foundry" : "mate",
           "layer": "pos",
           "key" : "Det", 
diff --git a/src/test/resources/queries/bsp14.jsonld b/src/test/resources/queries/bsp14.jsonld
index f9c98e0..db5f94f 100644
--- a/src/test/resources/queries/bsp14.jsonld
+++ b/src/test/resources/queries/bsp14.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,14 +96,14 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "type": "type:regex",
       "layer": "orth",
       "key": "vers{2,3}uch"
diff --git a/src/test/resources/queries/bsp15.jsonld b/src/test/resources/queries/bsp15.jsonld
index 1218c7c..bdd1aaa 100644
--- a/src/test/resources/queries/bsp15.jsonld
+++ b/src/test/resources/queries/bsp15.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,15 +96,15 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
       "type": "type:regex", 
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "layer": "orth",
       "key" : "vers.*ch"
     }
diff --git a/src/test/resources/queries/bsp16.jsonld b/src/test/resources/queries/bsp16.jsonld
index 72586cb..292165a 100644
--- a/src/test/resources/queries/bsp16.jsonld
+++ b/src/test/resources/queries/bsp16.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,28 +96,28 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:termGroup", 
+      "@type": "koral:termGroup", 
       "relation": "relation:and",
       "operands": [
         {
-          "@type": "korap:termGroup", 
+          "@type": "koral:termGroup", 
           "relation": "relation:or",
           "operands": [
             {
-              "@type": "korap:term", 
+              "@type": "koral:term", 
 	      "foundry": "mate",
               "layer": "lemma",
               "key" : "bar"
             }, 
             {
-              "@type": "korap:term", 
+              "@type": "koral:term", 
 	      "foundry": "mate",
               "layer": "lemma",
               "key" : "foo"
@@ -125,7 +125,7 @@
           ]
         }, 
         {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "orth",
           "key" : "foobar"
         }
diff --git a/src/test/resources/queries/bsp17.jsonld b/src/test/resources/queries/bsp17.jsonld
index 8d9eca8..7ea54e5 100644
--- a/src/test/resources/queries/bsp17.jsonld
+++ b/src/test/resources/queries/bsp17.jsonld
@@ -1,18 +1,18 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group", 
+    "@type": "koral:group", 
     "operation": "operation:position",
     "frames": ["frames:isWithin"], 
     "operands": [
       {
-        "@type": "korap:span", 
+        "@type": "koral:span", 
         "key": "np"
       }, 
       {
-        "@type": "korap:token", 
+        "@type": "koral:token", 
         "wrap": {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
 	  "foundry" : "mate",
           "layer": "lemma",
           "key" : "Mann"
diff --git a/src/test/resources/queries/bsp18.jsonld b/src/test/resources/queries/bsp18.jsonld
index f0c2fc2..bd18630 100644
--- a/src/test/resources/queries/bsp18.jsonld
+++ b/src/test/resources/queries/bsp18.jsonld
@@ -1,32 +1,32 @@
 {
   "context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "w",
       "min" : 0,
       "max" : 5
     } ],
     "operands" : [ {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:class",
       "classOut" : 1,
       "operands" : [ {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "der",
           "layer" : "orth",
           "match" : "match:eq"
         }
       } ]
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "nicht",
         "layer" : "orth",
         "match" : "match:eq"
@@ -34,10 +34,10 @@
     } ]
   },
   "collections" : [ {
-    "@type" : "korap:meta-filter",
+    "@type" : "koral:meta-filter",
     "@value" : {
-      "@type" : "korap:term",
-      "@field" : "korap:field#corpusID",
+      "@type" : "koral:term",
+      "@field" : "koral:field#corpusID",
       "@value" : "WPD"
     }
   } ],
diff --git a/src/test/resources/queries/bsp19.jsonld b/src/test/resources/queries/bsp19.jsonld
index 1e12ed9..e92b70a 100644
--- a/src/test/resources/queries/bsp19.jsonld
+++ b/src/test/resources/queries/bsp19.jsonld
@@ -1,17 +1,17 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query" : {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:sequence",
 	"inOrder" : true,
 	"distances" : [
 	    {
-		"@type" : "korap:distance",
+		"@type" : "koral:distance",
 		"key" : "w",
 		"min" : 1,
 		"max" : 3
 	    }, {
-		"@type" : "korap:distance",
+		"@type" : "koral:distance",
 		"key" : "s",
 		"min" : 0,
 		"max" : 1
@@ -19,17 +19,17 @@
 	],
 	"operands" : [
 	    {
-		"@type" : "korap:token",
+		"@type" : "koral:token",
 		"wrap" : {
-		    "@type" : "korap:term",
+		    "@type" : "koral:term",
 		    "key" : "das",
 		    "layer" : "orth",
 		    "match" : "match:eq"
 		}
 	    }, {
-		"@type" : "korap:token",
+		"@type" : "koral:token",
 		"wrap" : {
-		    "@type" : "korap:term",
+		    "@type" : "koral:term",
 		    "key" : "Buch",
 		    "layer" : "orth",
 		    "match" : "match:eq"
diff --git a/src/test/resources/queries/bsp1b.jsonld b/src/test/resources/queries/bsp1b.jsonld
index 4cec26c..8bd8755 100644
--- a/src/test/resources/queries/bsp1b.jsonld
+++ b/src/test/resources/queries/bsp1b.jsonld
@@ -1,13 +1,13 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query":{
-      "@type":"korap:group",
+      "@type":"koral:group",
       "operation":"operation:or",
       "operands":[
          {
-            "@type":"korap:token",
+            "@type":"koral:token",
             "wrap":{
-               "@type":"korap:term",
+               "@type":"koral:term",
                "foundry":"mate",
 	      "layer" : "lemma",
 	      "key" :"foo",
@@ -15,13 +15,13 @@
             }
          },
          {
-            "@type":"korap:group",
+            "@type":"koral:group",
            "operation":"operation:sequence",
             "operands":[
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                     "@type":"korap:term",
+                     "@type":"koral:term",
 		    "foundry" : "mate",
                      "layer":"lemma",
 		    "key":"foo",
@@ -29,9 +29,9 @@
                   }
                },
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                     "@type":"korap:term",
+                     "@type":"koral:term",
 		    "foundry": "mate",
                      "layer":"lemma",
 		    "key" : "bar",
@@ -43,17 +43,17 @@
       ]
    },
    "poliqarp-meta":{
-      "@type":"korap:meta",
+      "@type":"koral:meta",
       "@value":{
-         "@type":"korap:group",
+         "@type":"koral:group",
          "operands":[
             {
-               "@type":"korap:term",
+               "@type":"koral:term",
                "@value":"author:Goethe",
                "relation":"="
             },
             {
-               "@type":"korap:term",
+               "@type":"koral:term",
                "@value":"year:1815",
                "relation":"="
             }
diff --git a/src/test/resources/queries/bsp2.jsonld b/src/test/resources/queries/bsp2.jsonld
index 9a3a076..99b385f 100644
--- a/src/test/resources/queries/bsp2.jsonld
+++ b/src/test/resources/queries/bsp2.jsonld
@@ -1,26 +1,26 @@
 {
     "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:group", 
+	"@type": "koral:group", 
 	"operation" : "operation:sequence",
 	"operands": [
 	    {
-		"@type": "korap:group", 
+		"@type": "koral:group", 
 		"operation": "operation:or",
 		"operands": [
 		    {
-			"@type": "korap:token", 
+			"@type": "koral:token", 
 			"wrap": {
-			    "@type": "korap:term", 
+			    "@type": "koral:term", 
 			    "foundry": "mate", 
 			    "layer": "lemma", 
 			    "key" : "foo"
 			}
 		    }, 
 		    {
-			"@type": "korap:token", 
+			"@type": "koral:token", 
 			"wrap": {
-			    "@type": "korap:term", 
+			    "@type": "koral:term", 
 			    "foundry": "mate", 
 			    "layer": "lemma",
 			    "key" : "bar"
@@ -29,9 +29,9 @@
 		]
 	    }, 
 	    {
-		"@type": "korap:token", 
+		"@type": "koral:token", 
 		"wrap": {
-		    "@type": "korap:term", 
+		    "@type": "koral:term", 
 		    "foundry": "mate", 
 		    "layer": "lemma",
 		    "key" : "foobar"
diff --git a/src/test/resources/queries/bsp3.jsonld b/src/test/resources/queries/bsp3.jsonld
index b662b72..d802896 100644
--- a/src/test/resources/queries/bsp3.jsonld
+++ b/src/test/resources/queries/bsp3.jsonld
@@ -1,18 +1,18 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:reference", 
+    "@type": "koral:reference", 
     "classRef": [1],
     "operands": [
       {
-        "@type": "korap:group", 
+        "@type": "koral:group", 
         "operation" : "operation:class",
         "classOut": 1, 
         "operands": [
           {
-            "@type": "korap:token", 
+            "@type": "koral:token", 
             "wrap": {
-              "@type": "korap:term", 
+              "@type": "koral:term", 
 	      "foundry" : "mate",
               "layer": "lemma",
               "key" : "Mann"
diff --git a/src/test/resources/queries/bsp4.jsonld b/src/test/resources/queries/bsp4.jsonld
index 6cea948..663b0e6 100644
--- a/src/test/resources/queries/bsp4.jsonld
+++ b/src/test/resources/queries/bsp4.jsonld
@@ -1,22 +1,22 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:reference", 
+    "@type": "koral:reference", 
     "classRef": [1],
     "operands": [
       {
-        "@type": "korap:group", 
+        "@type": "koral:group", 
         "operation": "operation:sequence", 
         "operands": [
           {
-            "@type": "korap:group", 
+            "@type": "koral:group", 
 	    "operation":"operation:class",
             "classOut": 1, 
             "operands": [
               {
-                "@type": "korap:token", 
+                "@type": "koral:token", 
                 "wrap": {
-                  "@type": "korap:term", 
+                  "@type": "koral:term", 
 		  "foundry" : "mate",
                   "layer": "lemma",
                   "key" : "foo"
@@ -25,9 +25,9 @@
             ]
           }, 
           {
-            "@type": "korap:token", 
+            "@type": "koral:token", 
             "wrap": {
-              "@type": "korap:term", 
+              "@type": "koral:term", 
               "layer": "orth",
               "key" : "bar"
             }
diff --git a/src/test/resources/queries/bsp5.jsonld b/src/test/resources/queries/bsp5.jsonld
index b1dc6d8..834b95c 100644
--- a/src/test/resources/queries/bsp5.jsonld
+++ b/src/test/resources/queries/bsp5.jsonld
@@ -1,31 +1,31 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:reference",
+    "@type": "koral:reference",
     "classRef": [1],
     "operands": [
       {
-        "@type": "korap:group",
+        "@type": "koral:group",
 	"operation" : "operation:sequence",
         "operands": [
           {
-            "@type": "korap:token", 
+            "@type": "koral:token", 
             "wrap": {
-              "@type": "korap:term", 
+              "@type": "koral:term", 
 	      "foundry" : "mate",
               "layer": "lemma",
               "key" : "Der"
             }
           }, 
           {
-            "@type": "korap:group", 
+            "@type": "koral:group", 
 	    "operation" : "operation:class",
             "classOut": 1, 
             "operands": [
               {
-                "@type": "korap:token", 
+                "@type": "koral:token", 
                 "wrap": {
-                  "@type": "korap:term", 
+                  "@type": "koral:term", 
                   "foundry": "mate",
                   "layer": "lemma",
                   "key" : "Mann"
diff --git a/src/test/resources/queries/bsp6.jsonld b/src/test/resources/queries/bsp6.jsonld
index 64e8d17..701c6e7 100644
--- a/src/test/resources/queries/bsp6.jsonld
+++ b/src/test/resources/queries/bsp6.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,14 +96,14 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry" : "mate",
       "layer": "lemma",
       "key" : "Katze"
diff --git a/src/test/resources/queries/bsp7.jsonld b/src/test/resources/queries/bsp7.jsonld
index 46ab329..8fcdc08 100644
--- a/src/test/resources/queries/bsp7.jsonld
+++ b/src/test/resources/queries/bsp7.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,14 +96,14 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap" : {
-      "@type": "korap:term", 
+      "@type": "koral:term", 
       "foundry": "mate",
       "layer": "lemma",
       "key": "Katze", 
diff --git a/src/test/resources/queries/bsp9.jsonld b/src/test/resources/queries/bsp9.jsonld
index 52f10b9..7b2d6de 100644
--- a/src/test/resources/queries/bsp9.jsonld
+++ b/src/test/resources/queries/bsp9.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : {
     "korap" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/",
-    "query" : "korap:query",
-    "meta" : "korap:meta",
+    "query" : "koral:query",
+    "meta" : "koral:meta",
     "collections" : {
-      "@id" : "korap:collections",
+      "@id" : "koral:collections",
       "@container" : "@list"
     },
-    "token" : "korap:token/",
-    "distance" : "korap:distance/",
-    "boundary" : "korap:boundary/",
-    "group" : "korap:group/",
-    "span" : "korap:span/",
-    "term" : "korap:term/",
-    "termGroup" : "korap:termGroup/",
+    "token" : "koral:token/",
+    "distance" : "koral:distance/",
+    "boundary" : "koral:boundary/",
+    "group" : "koral:group/",
+    "span" : "koral:span/",
+    "term" : "koral:term/",
+    "termGroup" : "koral:termGroup/",
     "wrap" : "token:wrap",
     "operation" : {
       "@id" : "group:operation/",
@@ -68,19 +68,19 @@
       "@type" : "xsd:boolean"
     },
     "key" : {
-      "@id" : "korap:key",
+      "@id" : "koral:key",
       "@type" : "xsd:string"
     },
     "foundry" : {
-      "@id" : "korap:foundry",
+      "@id" : "koral:foundry",
       "@type" : "xsd:string"
     },
     "layer" : {
-      "@id" : "korap:layer",
+      "@id" : "koral:layer",
       "@type" : "xsd:string"
     },
     "value" : {
-      "@id" : "korap:value",
+      "@id" : "koral:value",
       "@type" : "xsd:string"
     },
     "caseInsensitive" : {
@@ -96,24 +96,24 @@
       "@type" : "@id"
     },
     "relation" : {
-      "@id" : "korap:relation/",
+      "@id" : "koral:relation/",
       "@type" : "@id"
     }
   },
   "query": {
-    "@type": "korap:token", 
+    "@type": "koral:token", 
     "wrap": {
-      "@type": "korap:termGroup",
+      "@type": "koral:termGroup",
       "relation": "relation:and",
       "operands": [
         {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "foundry": "mate",
           "layer": "lemma",
           "key" : "Katze"
         }, 
         {
-          "@type": "korap:term", 
+          "@type": "koral:term", 
           "layer": "orth",
           "key" : "Katzen"
         }
diff --git a/src/test/resources/queries/bsp9b.jsonld b/src/test/resources/queries/bsp9b.jsonld
index d0f44b1..ccbb51c 100644
--- a/src/test/resources/queries/bsp9b.jsonld
+++ b/src/test/resources/queries/bsp9b.jsonld
@@ -1,19 +1,19 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:termGroup",
+      "@type" : "koral:termGroup",
       "relation" : "relation:and",
       "operands" : [ {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "number",
         "value" : "pl",
         "layer" : "m",
         "foundry" : "mate",
         "match" : "match:eq"
       }, {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "NN",
         "layer" : "p",
         "foundry" : "tt",
diff --git a/src/test/resources/queries/bugs/cosmas_boundary.jsonld b/src/test/resources/queries/bugs/cosmas_boundary.jsonld
index fb0f5ff..3bd38e6 100644
--- a/src/test/resources/queries/bugs/cosmas_boundary.jsonld
+++ b/src/test/resources/queries/bugs/cosmas_boundary.jsonld
@@ -1,18 +1,18 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query":{
-    "@type" : "korap:reference",
+    "@type" : "koral:reference",
     "classRef" : [
       129
     ],
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "distances" : [
           {
             "@type" : "cosmas:distance",
             "boundary" : {
-              "@type" : "korap:boundary",
+              "@type" : "koral:boundary",
               "max" : 1,
               "min" : 0
             },
@@ -27,14 +27,14 @@
         "inOrder" : false,
         "operands" : [
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "class" : 129,
             "classOut" : 129,
             "operands" : [
               {
-                "@type" : "korap:token",
+                "@type" : "koral:token",
                 "wrap" : {
-                  "@type" : "korap:term",
+                  "@type" : "koral:term",
                   "key" : "Namen",
                   "layer" : "orth",
                   "match" : "match:eq"
@@ -44,14 +44,14 @@
             "operation" : "operation:class"
           },
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "class" : 129,
             "classOut" : 129,
             "operands" : [
               {
-                "@type" : "korap:token",
+                "@type" : "koral:token",
                 "wrap" : {
-                  "@type" : "korap:term",
+                  "@type" : "koral:term",
                   "key" : "Leben",
                   "layer" : "orth",
                   "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/cosmas_classrefcheck.jsonld b/src/test/resources/queries/bugs/cosmas_classrefcheck.jsonld
index f4d6075..8ac8f79 100644
--- a/src/test/resources/queries/bugs/cosmas_classrefcheck.jsonld
+++ b/src/test/resources/queries/bugs/cosmas_classrefcheck.jsonld
@@ -4,13 +4,13 @@
       ["This is a warning coming from the serialization"]
   ],
   "query": {
-    "@type" : "korap:reference",
+    "@type" : "koral:reference",
     "classRef" : [
       130
     ],
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "class" : 131,
         "classIn" : [
           129,
@@ -20,31 +20,31 @@
         "classRefCheck" : "classRefCheck:includes",
         "operands" : [
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "frame" : "frame:contains",
             "frames" : [],
             "operands" : [
               {
-                "@type" : "korap:group",
+                "@type" : "koral:group",
                 "class" : 129,
                 "classOut" : 129,
                 "operands" : [
                   {
-                    "@type" : "korap:span",
+                    "@type" : "koral:span",
                     "key" : "s"
                   }
                 ],
                 "operation" : "operation:class"
               },
               {
-                "@type" : "korap:group",
+                "@type" : "koral:group",
                 "class" : 130,
                 "classOut" : 130,
                 "operands" : [
                   {
-                    "@type" : "korap:token",
+                    "@type" : "koral:token",
                     "wrap" : {
-                      "@type" : "korap:term",
+                      "@type" : "koral:term",
                       "key" : "wegen",
                       "layer" : "orth",
                       "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/expansion_bug.jsonld b/src/test/resources/queries/bugs/expansion_bug.jsonld
index fe8b67f..1bea54d 100644
--- a/src/test/resources/queries/bugs/expansion_bug.jsonld
+++ b/src/test/resources/queries/bugs/expansion_bug.jsonld
@@ -1,12 +1,12 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "der",
           "layer" : "orth",
@@ -14,9 +14,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "alte",
           "layer" : "orth",
@@ -24,9 +24,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Digraph",
           "layer" : "orth",
@@ -34,9 +34,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Aa",
           "layer" : "orth",
@@ -44,9 +44,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "durch",
           "layer" : "orth",
@@ -54,7 +54,7 @@
         }
       },
       {
-        "@type" : "korap:token"
+        "@type" : "koral:token"
       }
     ],
     "operation" : "operation:sequence"
diff --git a/src/test/resources/queries/bugs/expansion_bug_2.jsonld b/src/test/resources/queries/bugs/expansion_bug_2.jsonld
index ebafaac..f51b1d3 100644
--- a/src/test/resources/queries/bugs/expansion_bug_2.jsonld
+++ b/src/test/resources/queries/bugs/expansion_bug_2.jsonld
@@ -1,12 +1,12 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "der",
           "layer" : "orth",
@@ -14,9 +14,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "alte",
           "layer" : "orth",
@@ -24,9 +24,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Digraph",
           "layer" : "orth",
@@ -34,9 +34,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Aa",
           "layer" : "orth",
@@ -44,9 +44,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "durch",
           "layer" : "orth",
@@ -54,9 +54,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Å",
           "layer" : "orth",
diff --git a/src/test/resources/queries/bugs/foundry_for_orth.jsonld b/src/test/resources/queries/bugs/foundry_for_orth.jsonld
index bac4ce6..8e3971a 100644
--- a/src/test/resources/queries/bugs/foundry_for_orth.jsonld
+++ b/src/test/resources/queries/bugs/foundry_for_orth.jsonld
@@ -1,9 +1,9 @@
 {
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query":{
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "foundry" : "opennlp",
       "key" : "Baum",
       "layer" : "orth",
diff --git a/src/test/resources/queries/bugs/foundry_for_orth_2.jsonld b/src/test/resources/queries/bugs/foundry_for_orth_2.jsonld
index f294a6c..cad3dd3 100644
--- a/src/test/resources/queries/bugs/foundry_for_orth_2.jsonld
+++ b/src/test/resources/queries/bugs/foundry_for_orth_2.jsonld
@@ -1,9 +1,9 @@
 {
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query":{
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "caseInsensitive" : true,
       "foundry" : "opennlp",
       "key" : "baum",
diff --git a/src/test/resources/queries/bugs/greater_highlights_127.jsonld b/src/test/resources/queries/bugs/greater_highlights_127.jsonld
index cac72db..3bbcee1 100644
--- a/src/test/resources/queries/bugs/greater_highlights_127.jsonld
+++ b/src/test/resources/queries/bugs/greater_highlights_127.jsonld
@@ -1,14 +1,14 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 127,
     "classOut" : 127,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Alphabet",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/greater_highlights_15.jsonld b/src/test/resources/queries/bugs/greater_highlights_15.jsonld
index c9f3b93..e101373 100644
--- a/src/test/resources/queries/bugs/greater_highlights_15.jsonld
+++ b/src/test/resources/queries/bugs/greater_highlights_15.jsonld
@@ -1,14 +1,14 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 15,
     "classOut" : 15,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Alphabet",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/greater_highlights_16.jsonld b/src/test/resources/queries/bugs/greater_highlights_16.jsonld
index 7f429f7..0fcc933 100644
--- a/src/test/resources/queries/bugs/greater_highlights_16.jsonld
+++ b/src/test/resources/queries/bugs/greater_highlights_16.jsonld
@@ -1,14 +1,14 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 16,
     "classOut" : 16,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Alphabet",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/greater_highlights_255.jsonld b/src/test/resources/queries/bugs/greater_highlights_255.jsonld
index 43b0c80..2c11ab5 100644
--- a/src/test/resources/queries/bugs/greater_highlights_255.jsonld
+++ b/src/test/resources/queries/bugs/greater_highlights_255.jsonld
@@ -1,14 +1,14 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 255,
     "classOut" : 255,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Alphabet",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/greater_highlights_300.jsonld b/src/test/resources/queries/bugs/greater_highlights_300.jsonld
index fc1a994..3d721cf 100644
--- a/src/test/resources/queries/bugs/greater_highlights_300.jsonld
+++ b/src/test/resources/queries/bugs/greater_highlights_300.jsonld
@@ -1,14 +1,14 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 300,
     "classOut" : 300,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Alphabet",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/multiple_classes.jsonld b/src/test/resources/queries/bugs/multiple_classes.jsonld
index 3b5345c..44628a4 100644
--- a/src/test/resources/queries/bugs/multiple_classes.jsonld
+++ b/src/test/resources/queries/bugs/multiple_classes.jsonld
@@ -1,30 +1,30 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "class" : 4,
     "classOut" : 4,
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "class" : 1,
             "classOut" : 1,
             "operands" : [
               {
-                "@type" : "korap:group",
+                "@type" : "koral:group",
                 "operands" : [
                   {
-                    "@type" : "korap:group",
+                    "@type" : "koral:group",
                     "class" : 2,
                     "classOut" : 2,
                     "operands" : [
                       {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                          "@type" : "korap:term",
+                          "@type" : "koral:term",
                           "key" : "ins",
                           "layer" : "orth",
                           "match" : "match:eq"
@@ -34,14 +34,14 @@
                     "operation" : "operation:class"
                   },
                   {
-                    "@type" : "korap:group",
+                    "@type" : "koral:group",
                     "class" : 3,
                     "classOut" : 3,
                     "operands" : [
                       {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                          "@type" : "korap:term",
+                          "@type" : "koral:term",
                           "key" : "Leben",
                           "layer" : "orth",
                           "match" : "match:eq"
@@ -57,9 +57,9 @@
             "operation" : "operation:class"
           },
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "key" : "gerufen",
               "layer" : "orth",
               "match" : "match:eq"
diff --git a/src/test/resources/queries/bugs/multiterm_rewrite.jsonld b/src/test/resources/queries/bugs/multiterm_rewrite.jsonld
index 6eec72e..3ea96ea 100644
--- a/src/test/resources/queries/bugs/multiterm_rewrite.jsonld
+++ b/src/test/resources/queries/bugs/multiterm_rewrite.jsonld
@@ -10,17 +10,17 @@
     "context":"paragraph"
   },
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation":"operation:sequence",
     "operands":[
       {
-	"@type":"korap:group",
+	"@type":"koral:group",
 	"operation":"operation:repetition",
 	"operands":[
 	  {
-	    "@type":"korap:token",
+	    "@type":"koral:token",
 	    "wrap":{
-	      "@type":"korap:term",
+	      "@type":"koral:term",
 	      "foundry":"tt",
 	      "layer":"p",
 	      "type":"type:regex",
@@ -30,7 +30,7 @@
 	  }
 	],
 	"boundary":{
-	  "@type":"korap:boundary",
+	  "@type":"koral:boundary",
 	  "min":0,
 	  "max":3
 	},
@@ -38,9 +38,9 @@
 	"max":3
       },
       {
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	  "@type":"korap:term",
+	  "@type":"koral:term",
 	  "foundry":"tt",
 	  "layer":"p",
 	  "type":"type:regex",
@@ -52,10 +52,10 @@
   },
   "collections":[
     {
-      "@type":"korap:meta-filter",
+      "@type":"koral:meta-filter",
       "@value":{
-	"@type":"korap:term",
-	"@field":"korap:field#corpusID",
+	"@type":"koral:term",
+	"@field":"koral:field#corpusID",
 	"@value":"WPD"
       }
     }
diff --git a/src/test/resources/queries/bugs/optionality_warning.jsonld b/src/test/resources/queries/bugs/optionality_warning.jsonld
index 08b9df9..e00d09b 100644
--- a/src/test/resources/queries/bugs/optionality_warning.jsonld
+++ b/src/test/resources/queries/bugs/optionality_warning.jsonld
@@ -1,9 +1,9 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "boundary" : {
-      "@type" : "korap:boundary",
+      "@type" : "koral:boundary",
       "max" : 1,
       "min" : 0
     },
@@ -11,9 +11,9 @@
     "min" : 0,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
 	  "layer" : "orth",
           "key" : "a",
diff --git a/src/test/resources/queries/bugs/overlaps_frame_workaround.jsonld b/src/test/resources/queries/bugs/overlaps_frame_workaround.jsonld
index 4d72095..11e2491 100644
--- a/src/test/resources/queries/bugs/overlaps_frame_workaround.jsonld
+++ b/src/test/resources/queries/bugs/overlaps_frame_workaround.jsonld
@@ -1,7 +1,7 @@
 {
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "frame" : "",
     "frames" : [
       "frames:overlapsLeft",
@@ -9,16 +9,16 @@
     ],
     "operands" : [
       {
-        "@type" : "korap:span",
+        "@type" : "koral:span",
         "key" : "s"
       },
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "foundry" : "tt",
               "key" : "CARD",
               "layer" : "p",
@@ -26,9 +26,9 @@
             }
           },
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "foundry" : "tt",
               "key" : "N.*",
               "layer" : "p",
diff --git a/src/test/resources/queries/bugs/repetition_group_rewrite.jsonld b/src/test/resources/queries/bugs/repetition_group_rewrite.jsonld
index 914fc95..3bf9a34 100644
--- a/src/test/resources/queries/bugs/repetition_group_rewrite.jsonld
+++ b/src/test/resources/queries/bugs/repetition_group_rewrite.jsonld
@@ -1,9 +1,9 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "boundary" : {
-      "@type" : "korap:boundary",
+      "@type" : "koral:boundary",
       "max" : 2,
       "min" : 2
     },
@@ -11,12 +11,12 @@
     "min" : 2,
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "foundry" : "cnx",
               "key" : "A",
               "layer" : "p",
@@ -25,7 +25,7 @@
             }
           },
           {
-            "@type" : "korap:token"
+            "@type" : "koral:token"
           }
         ],
         "operation" : "operation:sequence"
diff --git a/src/test/resources/queries/bugs/special_layer.jsonld b/src/test/resources/queries/bugs/special_layer.jsonld
index 92c03b0..1e29dd0 100644
--- a/src/test/resources/queries/bugs/special_layer.jsonld
+++ b/src/test/resources/queries/bugs/special_layer.jsonld
@@ -1,12 +1,12 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query":{
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "Baum",
           "layer" : "orth",
@@ -14,9 +14,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "cnx",
           "key" : "CC",
           "layer" : "pos",
@@ -24,9 +24,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "Baum",
           "layer" : "lemma",
@@ -34,7 +34,7 @@
         }
       },
       {
-        "@type" : "korap:span",
+        "@type" : "koral:span",
         "foundry" : "xip",
         "key" : "MC",
         "layer" : "const"
diff --git a/src/test/resources/queries/bugs/underspecified_token.jsonld b/src/test/resources/queries/bugs/underspecified_token.jsonld
index 783480f..62dc7f0 100644
--- a/src/test/resources/queries/bugs/underspecified_token.jsonld
+++ b/src/test/resources/queries/bugs/underspecified_token.jsonld
@@ -19,26 +19,26 @@
     }
   },
   "query":{
-    "@type":"korap:reference",
+    "@type":"koral:reference",
     "operation":"operation:focus",
     "classRef":[129],
     "operands":[
       {
-	"@type":"korap:group",
+	"@type":"koral:group",
 	"operation":"operation:sequence",
 	"operands":[
 	  {
-	    "@type":"korap:group",
+	    "@type":"koral:group",
 	    "operation":"operation:class",
 	    "class":129,
 	    "classOut":129,
 	    "operands":[
 	      {
-		"@type":"korap:group",
+		"@type":"koral:group",
 		"operation":"operation:or",
 		"operands":[
 		  {
-		    "@type":"korap:token",
+		    "@type":"koral:token",
 		    "wrap":{
 		      "key":"APPR",
 		      "match":"match:eq",
@@ -46,7 +46,7 @@
 		    }
 		  },
 		  {
-		    "@type":"korap:token",
+		    "@type":"koral:token",
 		    "wrap":{
 		      "key":"APPRART",
 		      "match":"match:eq",
@@ -58,15 +58,15 @@
 	    ]
 	  },
 	  {
-	    "@type":"korap:group",
+	    "@type":"koral:group",
 	    "operation":"operation:class",
 	    "class":129,
 	    "classOut":129,
 	    "operands":[
 	      {
-		"@type":"korap:token",
+		"@type":"koral:token",
 		"wrap":{
-		  "@type":"korap:term",
+		  "@type":"koral:term",
 		  "key":"Urlaub",
 		  "layer":"orth",
 		  "match":"match:eq",
@@ -79,10 +79,10 @@
 	"inOrder":true,
 	"distances":[
 	  {
-	    "@type":"korap:distance",
+	    "@type":"koral:distance",
 	    "key":"w",
 	    "boundary":{
-	      "@type":"korap:boundary",
+	      "@type":"koral:boundary",
 	      "min":0,
 	      "max":1
 	    },
@@ -95,10 +95,10 @@
   },
   "collections":[
     {
-      "@type":"korap:meta-filter",
+      "@type":"koral:meta-filter",
       "@value":{
-	"@type":"korap:term",
-	"@field":"korap:field#textClass",
+	"@type":"koral:term",
+	"@field":"koral:field#textClass",
 	"@value":"wissenschaft"
       }
     }
diff --git a/src/test/resources/queries/collections/collection_1.jsonld b/src/test/resources/queries/collections/collection_1.jsonld
index b78da86..99890c1 100644
--- a/src/test/resources/queries/collections/collection_1.jsonld
+++ b/src/test/resources/queries/collections/collection_1.jsonld
@@ -4,7 +4,7 @@
   "warnings" : [ ],
   "announcements" : [ ],
   "collection" : {
-    "@type" : "korap:doc",
+    "@type" : "koral:doc",
     "key" : "pubDate",
     "type" : "type:date",
     "value" : "2000-01-01",
diff --git a/src/test/resources/queries/collections/collection_2.jsonld b/src/test/resources/queries/collections/collection_2.jsonld
index 52086b8..63cdfa1 100644
--- a/src/test/resources/queries/collections/collection_2.jsonld
+++ b/src/test/resources/queries/collections/collection_2.jsonld
@@ -4,16 +4,16 @@
   "warnings" : [ ],
   "announcements" : [ ],
   "collection" : {
-    "@type" : "korap:docGroup",
+    "@type" : "koral:docGroup",
     "operation" : "operation:and",
     "operands" : [ {
-      "@type" : "korap:doc",
+      "@type" : "koral:doc",
       "key" : "pubDate",
       "type" : "type:date",
       "value" : "1990",
       "match" : "match:geq"
     }, {
-      "@type" : "korap:doc",
+      "@type" : "koral:doc",
       "key" : "pubDate",
       "type" : "type:date",
       "value" : "2006-10",
diff --git a/src/test/resources/queries/collections/collection_4.jsonld b/src/test/resources/queries/collections/collection_4.jsonld
index ceda325..a5dee39 100644
--- a/src/test/resources/queries/collections/collection_4.jsonld
+++ b/src/test/resources/queries/collections/collection_4.jsonld
@@ -4,7 +4,7 @@
   "warnings" : [ ],
   "announcements" : [ ],
   "collection" : {
-    "@type": "korap:doc",
+    "@type": "koral:doc",
     "key" : "title",
     "value" : "Mannheim",
     "match" : "match:contains"
diff --git a/src/test/resources/queries/collections/collection_5.jsonld b/src/test/resources/queries/collections/collection_5.jsonld
index 7c1b4f6..c26698e 100644
--- a/src/test/resources/queries/collections/collection_5.jsonld
+++ b/src/test/resources/queries/collections/collection_5.jsonld
@@ -4,16 +4,16 @@
   "warnings" : [ ],
   "announcements" : [ ],
   "collection" : {
-    "@type" : "korap:docGroup",
+    "@type" : "koral:docGroup",
     "operation" : "operation:or",
     "operands" : [ {
-      "@type" : "korap:doc",
+      "@type" : "koral:doc",
       "key" : "pubDate",
       "type" : "type:date",
       "value" : "1990",
       "match" : "match:geq"
     }, {
-      "@type" : "korap:doc",
+      "@type" : "koral:doc",
       "key" : "title",
       "type" : "type:string",
       "value" : "Mannheim",
diff --git a/src/test/resources/queries/collections/multiterm_rewrite_collection.jsonld b/src/test/resources/queries/collections/multiterm_rewrite_collection.jsonld
index c07f88c..30adfd6 100644
--- a/src/test/resources/queries/collections/multiterm_rewrite_collection.jsonld
+++ b/src/test/resources/queries/collections/multiterm_rewrite_collection.jsonld
@@ -11,17 +11,17 @@
     "context":"paragraph"
   },
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation":"operation:sequence",
     "operands":[
       {
-	"@type":"korap:group",
+	"@type":"koral:group",
 	"operation":"operation:repetition",
 	"operands":[
 	  {
-	    "@type":"korap:token",
+	    "@type":"koral:token",
 	    "wrap":{
-	      "@type":"korap:term",
+	      "@type":"koral:term",
 	      "foundry":"tt",
 	      "layer":"p",
 	      "type":"type:regex",
@@ -31,7 +31,7 @@
 	  }
 	],
 	"boundary":{
-	  "@type":"korap:boundary",
+	  "@type":"koral:boundary",
 	  "min":0,
 	  "max":3
 	},
@@ -39,9 +39,9 @@
 	"max":3
       },
       {
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	  "@type":"korap:term",
+	  "@type":"koral:term",
 	  "foundry":"tt",
 	  "layer":"p",
 	  "type":"type:regex",
@@ -53,10 +53,10 @@
   },
   "collections":[
     {
-      "@type":"korap:meta-filter",
+      "@type":"koral:meta-filter",
       "@value":{
-	"@type":"korap:term",
-	"@field":"korap:field#corpusID",
+	"@type":"koral:term",
+	"@field":"koral:field#corpusID",
 	"@value":"WPD"
       }
     }
diff --git a/src/test/resources/queries/collections/no_collection.jsonld b/src/test/resources/queries/collections/no_collection.jsonld
index 6eec72e..3ea96ea 100644
--- a/src/test/resources/queries/collections/no_collection.jsonld
+++ b/src/test/resources/queries/collections/no_collection.jsonld
@@ -10,17 +10,17 @@
     "context":"paragraph"
   },
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation":"operation:sequence",
     "operands":[
       {
-	"@type":"korap:group",
+	"@type":"koral:group",
 	"operation":"operation:repetition",
 	"operands":[
 	  {
-	    "@type":"korap:token",
+	    "@type":"koral:token",
 	    "wrap":{
-	      "@type":"korap:term",
+	      "@type":"koral:term",
 	      "foundry":"tt",
 	      "layer":"p",
 	      "type":"type:regex",
@@ -30,7 +30,7 @@
 	  }
 	],
 	"boundary":{
-	  "@type":"korap:boundary",
+	  "@type":"koral:boundary",
 	  "min":0,
 	  "max":3
 	},
@@ -38,9 +38,9 @@
 	"max":3
       },
       {
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	  "@type":"korap:term",
+	  "@type":"koral:term",
 	  "foundry":"tt",
 	  "layer":"p",
 	  "type":"type:regex",
@@ -52,10 +52,10 @@
   },
   "collections":[
     {
-      "@type":"korap:meta-filter",
+      "@type":"koral:meta-filter",
       "@value":{
-	"@type":"korap:term",
-	"@field":"korap:field#corpusID",
+	"@type":"koral:term",
+	"@field":"koral:field#corpusID",
 	"@value":"WPD"
       }
     }
diff --git a/src/test/resources/queries/cosmas1.json b/src/test/resources/queries/cosmas1.json
index 2215e86..a1456d3 100644
--- a/src/test/resources/queries/cosmas1.json
+++ b/src/test/resources/queries/cosmas1.json
@@ -1,27 +1,27 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : false,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "s",
       "min" : 0,
       "max" : 0
     } ],
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Buchstabe",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "deutschen",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas10.json b/src/test/resources/queries/cosmas10.json
index 08361d2..2090857 100644
--- a/src/test/resources/queries/cosmas10.json
+++ b/src/test/resources/queries/cosmas10.json
@@ -1,37 +1,37 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Institut",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "für",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "caseInsensitive" : true,
         "key" : "deutsche",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Sprache",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas10b.json b/src/test/resources/queries/cosmas10b.json
index 618a25f..a5660bc 100644
--- a/src/test/resources/queries/cosmas10b.json
+++ b/src/test/resources/queries/cosmas10b.json
@@ -1,38 +1,38 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Institut",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "FÜR",
         "layer" : "orth",
 	"caseInsensitive" : true,
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "caseInsensitive" : true,
         "key" : "deutsche",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Sprache",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas16.json b/src/test/resources/queries/cosmas16.json
index 852a964..d9ad699 100644
--- a/src/test/resources/queries/cosmas16.json
+++ b/src/test/resources/queries/cosmas16.json
@@ -1,23 +1,23 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:reference",
+    "@type" : "koral:reference",
     "classRef" : [ 1 ],
     "operands" : [ {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:position",
       "frames" : ["frames:startsWith"],
       "operands" : [ {
-        "@type" : "korap:span",
+        "@type" : "koral:span",
         "key" : "s"
       }, {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operation" : "operation:class",
         "classOut" : 1,
         "operands" : [ {
-          "@type" : "korap:token",
+          "@type" : "koral:token",
           "wrap" : {
-            "@type" : "korap:term",
+            "@type" : "koral:term",
             "caseInsensitive" : true,
             "key" : "wegen",
             "layer" : "orth",
diff --git a/src/test/resources/queries/cosmas17.json b/src/test/resources/queries/cosmas17.json
index c0d1f5c..b061e4e 100644
--- a/src/test/resources/queries/cosmas17.json
+++ b/src/test/resources/queries/cosmas17.json
@@ -1,16 +1,16 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:position",
     "frames" : ["frames:startsWith", "frames:matches", "frames:alignsLeft"],
     "operands" : [ {
-      "@type" : "korap:span",
+      "@type" : "koral:span",
       "key" : "s"
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "caseInsensitive" : true,
         "key" : "wegen",
         "layer" : "orth",
diff --git a/src/test/resources/queries/cosmas20.json b/src/test/resources/queries/cosmas20.json
index 5a4b745..861b7e0 100644
--- a/src/test/resources/queries/cosmas20.json
+++ b/src/test/resources/queries/cosmas20.json
@@ -1,23 +1,23 @@
 {
   "context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:reference",
+    "@type" : "koral:reference",
     "classRef" : [ 1 ],
       "operands" : [ {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:position",
       "frames" : ["frames:endsWith", "frames:matches", "frames:alignsRight"],
       "operands" : [ {
-        "@type" : "korap:span",
+        "@type" : "koral:span",
         "key" : "s"
       }, {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operation" : "operation:class",
         "classOut" : 1,
         "operands" : [ {
-          "@type" : "korap:token",
+          "@type" : "koral:token",
           "wrap" : {
-            "@type" : "korap:term",
+            "@type" : "koral:term",
             "key" : "V",
             "layer" : "pos",
             "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas3.json b/src/test/resources/queries/cosmas3.json
index d86045e..2dd75ac 100644
--- a/src/test/resources/queries/cosmas3.json
+++ b/src/test/resources/queries/cosmas3.json
@@ -1,27 +1,27 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "w",
       "min" : 1,
       "max" : 3
     } ],
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "das",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Buch",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas4.json b/src/test/resources/queries/cosmas4.json
index 2dff321..d9bd77c 100644
--- a/src/test/resources/queries/cosmas4.json
+++ b/src/test/resources/queries/cosmas4.json
@@ -1,36 +1,36 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:and",
       "operands" : [ {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "w",
         "min" : 1,
         "max" : 3
       }, {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "s",
         "min" : 1,
         "max" : 1
       } ]
     } ],
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "das",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Buch",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas4b.json b/src/test/resources/queries/cosmas4b.json
index 4b44753..fac3101 100644
--- a/src/test/resources/queries/cosmas4b.json
+++ b/src/test/resources/queries/cosmas4b.json
@@ -1,32 +1,32 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "w",
       "min" : 1,
       "max" : 3
     }, {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "s",
       "min" : 0,
       "max" : 1
     } ],
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "das",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Buch",
         "layer" : "orth",
         "match" : "match:eq"
@@ -34,10 +34,10 @@
     } ]
   },
   "collections" : [ {
-    "@type" : "korap:meta-filter",
+    "@type" : "koral:meta-filter",
     "@value" : {
-      "@type" : "korap:term",
-      "@field" : "korap:field#corpusID",
+      "@type" : "koral:term",
+      "@field" : "koral:field#corpusID",
       "@value" : "BRZ13"
     }
   } ]
diff --git a/src/test/resources/queries/cosmas5.json b/src/test/resources/queries/cosmas5.json
index a96845d..429023b 100644
--- a/src/test/resources/queries/cosmas5.json
+++ b/src/test/resources/queries/cosmas5.json
@@ -1,51 +1,51 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "w",
       "min" : 0,
       "max" : 5
     } ],
     "operands" : [ {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:sequence",
       "inOrder" : true,
       "distances" : [ {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "w",
         "min" : 1,
         "max" : 3
       }, {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "s",
         "min" : 0,
         "max" : 1
       } ],
       "operands" : [ {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "das",
           "layer" : "orth",
           "match" : "match:eq"
         }
       }, {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Buch",
           "layer" : "orth",
           "match" : "match:eq"
         }
       } ]
     }, {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Tisch",
         "layer" : "orth",
         "match" : "match:eq"
diff --git a/src/test/resources/queries/cosmas6.json b/src/test/resources/queries/cosmas6.json
index 06a9726..2817bb5 100644
--- a/src/test/resources/queries/cosmas6.json
+++ b/src/test/resources/queries/cosmas6.json
@@ -1,50 +1,50 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "inOrder" : true,
     "distances" : [ {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "key" : "w",
       "min" : 0,
       "max" : 5
     } ],
     "operands" : [ {
-      "@type" : "korap:token",
+      "@type" : "koral:token",
       "wrap" : {
-        "@type" : "korap:term",
+        "@type" : "koral:term",
         "key" : "Tisch",
         "layer" : "orth",
         "match" : "match:eq"
       }
     }, {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operation" : "operation:sequence",
       "inOrder" : true,
       "distances" : [ {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "w",
         "min" : 1,
         "max" : 3
       }, {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "key" : "s",
         "min" : 0,
         "max" : 1
       } ],
       "operands" : [ {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "das",
           "layer" : "orth",
           "match" : "match:eq"
         }
       }, {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "Buch",
           "layer" : "orth",
           "match" : "match:eq"
diff --git a/src/test/resources/queries/metaquery.jsonld b/src/test/resources/queries/metaquery.jsonld
index 5b2ae44..b0b4c55 100644
--- a/src/test/resources/queries/metaquery.jsonld
+++ b/src/test/resources/queries/metaquery.jsonld
@@ -9,13 +9,13 @@
       }
     },
    "query":{
-      "@type":"korap:group",
+      "@type":"koral:group",
       "operation":"operation:or",
       "operands":[
          {
-            "@type":"korap:token",
+            "@type":"koral:token",
             "wrap":{
-               "@type":"korap:term",
+               "@type":"koral:term",
                "foundry":"mate",
 	      "layer" : "lemma",
 	      "key" : "Vokal",
@@ -23,13 +23,13 @@
             }
          },
          {
-            "@type":"korap:group",
+            "@type":"koral:group",
 	   "operation": "operation:sequence",
             "operands":[
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                    "@type":"korap:term",
+                    "@type":"koral:term",
                     "foundry":"mate",
 		    "layer" : "base",
 		    "key" : "der",
@@ -37,9 +37,9 @@
                   }
                },
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                     "@type":"korap:term",
+                     "@type":"koral:term",
                      "foundry":"mate",
 		      "layer" : "pos",
 		      "key" : "ADJA",
@@ -52,60 +52,60 @@
    },
     "collections": [
         {
-            "@type": "korap:meta-filter",
+            "@type": "koral:meta-filter",
             "@id": "korap-filter#id-1223232",
             "@value": {
-                "@type": "korap:term",
-                "@field": "korap:field#textClass",
+                "@type": "koral:term",
+                "@field": "koral:field#textClass",
                 "@value": "wissenschaft"
             }
         },
         {
-            "@type": "korap:meta-filter",
+            "@type": "koral:meta-filter",
             "@id": "korap-filter#id-34345454",
             "@value": {
-                "@type": "korap:group",
+                "@type": "koral:group",
                 "relation": "and",
                 "operands": [
                     {
-                        "@type": "korap:term",
-                        "@field": "korap:field#pubPlace",
+                        "@type": "koral:term",
+                        "@field": "koral:field#pubPlace",
                         "@value": "Erfurt"
                     },
                     {
-                        "@type": "korap:term",
-                        "@field": "korap:field#author",
+                        "@type": "koral:term",
+                        "@field": "koral:field#author",
                         "@value": "Hesse"
                     }
                 ]
             }
         },
         {
-            "@type": "korap:meta-extend",
+            "@type": "koral:meta-extend",
             "@value": {
-                "@type": "korap:group",
+                "@type": "koral:group",
                 "relation": "and",
                 "operands": [
                     {
-                        "@type": "korap:group",
+                        "@type": "koral:group",
                         "comment": "other values can be 'since','until' in combination with a simple korap:term",
                         "relation": "between",
-                        "field": "korap:field#pubDate",
+                        "field": "koral:field#pubDate",
                         "operands": [
                             {
-                                "@type": "korap:date",
+                                "@type": "koral:date",
                                 "comment": "either long value or String representation '2013-04-29'",
                                 "@value": "2011-04-29"
                             },
                             {
-                                "@type": "korap:date",
+                                "@type": "koral:date",
                                 "@value": "2013-12-31"
                             }
                         ]
                     },
                     {
-                        "@type": "korap:term",
-                        "@field": "korap:field#textClass",
+                        "@type": "koral:term",
+                        "@field": "koral:field#textClass",
                         "@value": "freizeit"
                     }
                 ]
diff --git a/src/test/resources/queries/metaquery2.jsonld b/src/test/resources/queries/metaquery2.jsonld
index e1d4690..f7c906a 100644
--- a/src/test/resources/queries/metaquery2.jsonld
+++ b/src/test/resources/queries/metaquery2.jsonld
@@ -9,13 +9,13 @@
     }
   },
   "query":{
-    "@type":"korap:group",
+    "@type":"koral:group",
     "operation":"operation:or",
     "operands":[
       {
-        "@type":"korap:token",
+        "@type":"koral:token",
         "wrap":{
-          "@type":"korap:term",
+          "@type":"koral:term",
           "foundry":"mate",
 	  "layer" : "lemma",
 	  "key" : "Vokal",
@@ -23,13 +23,13 @@
         }
       },
       {
-        "@type":"korap:group",
+        "@type":"koral:group",
 	"operation" : "operation:sequence",
         "operands":[
           {
-            "@type":"korap:token",
+            "@type":"koral:token",
             "wrap":{
-              "@type":"korap:term",
+              "@type":"koral:term",
               "foundry":"mate",
 	      "layer" : "lemma",
 	      "key" : "der",
@@ -37,9 +37,9 @@
             }
           },
           {
-            "@type":"korap:token",
+            "@type":"koral:token",
             "wrap":{
-              "@type":"korap:term",
+              "@type":"koral:term",
               "foundry":"mate",
 	      "layer" : "p",
 	      "key" : "ADJD",
@@ -52,23 +52,23 @@
   },
   "collections": [
     {
-      "@type": "korap:meta-filter",
+      "@type": "koral:meta-filter",
       "@value": {
-        "@type": "korap:group",
+        "@type": "koral:group",
         "relation": "and",
         "operands": [
           {
-            "@type": "korap:term",
-            "@field": "korap:field#author",
+            "@type": "koral:term",
+            "@field": "koral:field#author",
             "@value": "Hesse"
           },
           {
-            "@type": "korap:group",
-            "@field": "korap:field#pubDate",
+            "@type": "koral:group",
+            "@field": "koral:field#pubDate",
             "relation": "until",
             "operands": [
               {
-                "@type": "korap:date",
+                "@type": "koral:date",
                 "@value": "2013-12-05"
               }
             ]
diff --git a/src/test/resources/queries/metaquery3.jsonld b/src/test/resources/queries/metaquery3.jsonld
index adedda0..a9fca44 100644
--- a/src/test/resources/queries/metaquery3.jsonld
+++ b/src/test/resources/queries/metaquery3.jsonld
@@ -9,13 +9,13 @@
     }
 },
    "query":{
-      "@type":"korap:group",
+      "@type":"koral:group",
       "operation":"operation:or",
       "operands":[
          {
-            "@type":"korap:token",
+            "@type":"koral:token",
             "wrap":{
-               "@type":"korap:term",
+               "@type":"koral:term",
 	        "foundry" : "mate",
                "layer":"l",
 	       "key":"Vokal",
@@ -23,13 +23,13 @@
             }
          },
          {
-            "@type":"korap:group",
+            "@type":"koral:group",
 	   "operation" : "operation:sequence",
             "operands":[
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                     "@type":"korap:term",
+                     "@type":"koral:term",
 		     "foundry" : "mate",
                      "layer":"l",
 		     "key" : "der",
@@ -37,9 +37,9 @@
                   }
                },
                {
-                  "@type":"korap:token",
+                  "@type":"koral:token",
                   "wrap":{
-                     "@type":"korap:term",
+                     "@type":"koral:term",
                      "foundry":"mate",
 		      "layer" : "p",
 		      "key" : "ADJA",
diff --git a/src/test/resources/queries/metaquery4.jsonld b/src/test/resources/queries/metaquery4.jsonld
index 0344a12..0b6c263 100644
--- a/src/test/resources/queries/metaquery4.jsonld
+++ b/src/test/resources/queries/metaquery4.jsonld
@@ -9,9 +9,9 @@
     }
   },
   "query":{
-    "@type":"korap:token",
+    "@type":"koral:token",
     "wrap":{
-      "@type":"korap:term",
+      "@type":"koral:term",
       "foundry":"mate",
       "layer":"l",
       "key":"familie",
@@ -20,19 +20,19 @@
   },
   "collections": [
     {
-      "@type": "korap:meta-filter",
+      "@type": "koral:meta-filter",
       "@id": "korap-filter#id-1223232",
       "@value": {
-        "@type": "korap:group",
+        "@type": "koral:group",
         "relation": "between",
-        "@field": "korap:field#pubDate",
+        "@field": "koral:field#pubDate",
         "operands": [
           {
-            "@type": "korap:date",
+            "@type": "koral:date",
             "@value": "2000-01-01"
           },
           {
-            "@type": "korap:date",
+            "@type": "koral:date",
             "@value": "2013-12-31"
           }
         ]
diff --git a/src/test/resources/queries/metaquery5.jsonld b/src/test/resources/queries/metaquery5.jsonld
index 7fc5b85..06141c3 100644
--- a/src/test/resources/queries/metaquery5.jsonld
+++ b/src/test/resources/queries/metaquery5.jsonld
@@ -9,9 +9,9 @@
     }
   },
   "query":{
-    "@type":"korap:token",
+    "@type":"koral:token",
     "wrap":{
-      "@type":"korap:term",
+      "@type":"koral:term",
       "foundry": "mate",
       "layer":"l",
       "key":"lediglich",
@@ -20,23 +20,23 @@
   },
   "collections": [
     {
-      "@type": "korap:meta-filter",
+      "@type": "koral:meta-filter",
       "@id": "korap-filter#id-1223232",
       "@value": {
-	"@type": "korap:group",
+	"@type": "koral:group",
 	"relation": "and",
 	"operands": [
 	  {
-            "@type": "korap:group",
+            "@type": "koral:group",
             "relation": "between",
-            "@field": "korap:field#pubDate",
+            "@field": "koral:field#pubDate",
             "operands": [
               {
-		"@type": "korap:date",
+		"@type": "koral:date",
 		"@value": "2000-01-01"
               },
               {
-		"@type": "korap:date",
+		"@type": "koral:date",
 		"@value": "2013-12-31"
               }
             ]
diff --git a/src/test/resources/queries/metaquery6.jsonld b/src/test/resources/queries/metaquery6.jsonld
index 0e4c30f..2d4b8e1 100644
--- a/src/test/resources/queries/metaquery6.jsonld
+++ b/src/test/resources/queries/metaquery6.jsonld
@@ -9,9 +9,9 @@
     }
   },
   "query":{
-    "@type":"korap:token",
+    "@type":"koral:token",
     "wrap":{
-      "@type":"korap:term",
+      "@type":"koral:term",
       "foundry":"mate",
       "layer":"l",
       "key":"lediglich"
@@ -19,23 +19,23 @@
   },
   "collections": [
     {
-      "@type": "korap:meta-filter",
+      "@type": "koral:meta-filter",
       "@id": "korap-filter#id-1223232",
       "@value": {
-	"@type": "korap:group",
+	"@type": "koral:group",
 	"relation": "and",
 	"operands": [
 	  {
-            "@type": "korap:group",
+            "@type": "koral:group",
             "relation": "between",
-            "@field": "korap:field#pubDate",
+            "@field": "koral:field#pubDate",
             "operands": [
               {
-		"@type": "korap:date",
+		"@type": "koral:date",
 		"@value": "2005-01-01"
               },
               {
-		"@type": "korap:date",
+		"@type": "koral:date",
 		"@value": "2013-12-31"
               }
             ]
diff --git a/src/test/resources/queries/metaquery7.jsonld b/src/test/resources/queries/metaquery7.jsonld
index a7114e6..0b664ed 100644
--- a/src/test/resources/queries/metaquery7.jsonld
+++ b/src/test/resources/queries/metaquery7.jsonld
@@ -9,9 +9,9 @@
 	}
     },
     "query":{
-	"@type":"korap:token",
+	"@type":"koral:token",
 	"wrap":{
-	    "@type":"korap:term",
+	    "@type":"koral:term",
 	    "foundry":"mate",
 	    "layer":"l",
 	    "key":"lediglich"
@@ -19,38 +19,38 @@
     },
     "collections": [
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#corpusID",
+		"@field": "koral:field#corpusID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "c-1"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "c-2"
 		    }
 		]
 	    }
 	},
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "and",
-		"@field": "korap:field#corpusID",
+		"@field": "koral:field#corpusID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "d-1"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "d-2"
 		    }
 		]
diff --git a/src/test/resources/queries/metaquery8-filtered-further.jsonld b/src/test/resources/queries/metaquery8-filtered-further.jsonld
index 945a2fa..5a497cf 100644
--- a/src/test/resources/queries/metaquery8-filtered-further.jsonld
+++ b/src/test/resources/queries/metaquery8-filtered-further.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "foundry": "mate",
 	    "layer" : "lemma",
 	    "key":"der", 
@@ -20,57 +20,57 @@
     },
     "collections": [
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00001"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
 	    }
 	},
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00003"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
 	    }
 	},
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00001"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00005"
 		    }
 		]
diff --git a/src/test/resources/queries/metaquery8-filtered-nested.jsonld b/src/test/resources/queries/metaquery8-filtered-nested.jsonld
index ebb56ab..7c8cf43 100644
--- a/src/test/resources/queries/metaquery8-filtered-nested.jsonld
+++ b/src/test/resources/queries/metaquery8-filtered-nested.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "foundry": "mate",
 	    "layer" : "lemma",
 	    "key":"der", 
@@ -20,47 +20,47 @@
     },
     "collections": [
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00001"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
 	    }
 	},
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00003"
 		    },
 		    {
-			"@type": "korap:group",
+			"@type": "koral:group",
 			"relation": "and",
-			"@field": "korap:field#tokens",
+			"@field": "koral:field#tokens",
 			"operands": [
 			    {
-				"@type": "korap:term",
+				"@type": "koral:term",
 				"@value": "s:die"
 			    },
 			    {
-				"@type": "korap:term",
+				"@type": "koral:term",
 				"@value": "s:Schriftzeichen"
 			    }
 
diff --git a/src/test/resources/queries/metaquery8-filtered.jsonld b/src/test/resources/queries/metaquery8-filtered.jsonld
index ddb51cf..9e7ee8a 100644
--- a/src/test/resources/queries/metaquery8-filtered.jsonld
+++ b/src/test/resources/queries/metaquery8-filtered.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "foundry": "mate",
 	    "layer" : "lemma",
 	    "key":"der", 
@@ -20,38 +20,38 @@
     },
     "collections": [
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00001"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
 	    }
 	},
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00003"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
diff --git a/src/test/resources/queries/metaquery8-nocollection.jsonld b/src/test/resources/queries/metaquery8-nocollection.jsonld
index 6edf506..64f8673 100644
--- a/src/test/resources/queries/metaquery8-nocollection.jsonld
+++ b/src/test/resources/queries/metaquery8-nocollection.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "foundry": "mate",
 	    "layer" : "lemma",
 	    "key":"der", 
diff --git a/src/test/resources/queries/metaquery8.jsonld b/src/test/resources/queries/metaquery8.jsonld
index 77dfc4c..f2417f0 100644
--- a/src/test/resources/queries/metaquery8.jsonld
+++ b/src/test/resources/queries/metaquery8.jsonld
@@ -1,9 +1,9 @@
 {
     "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
     "query": {
-	"@type": "korap:token", 
+	"@type": "koral:token", 
 	"wrap": {
-	    "@type": "korap:term", 
+	    "@type": "koral:term", 
 	    "foundry": "mate",
 	    "layer" : "lemma",
 	    "key":"der", 
@@ -20,19 +20,19 @@
     },
     "collections": [
 	{
-	    "@type": "korap:meta-filter",
+	    "@type": "koral:meta-filter",
 	    "@id": "korap-filter#id-1223232",
 	    "@value": {
-		"@type": "korap:group",
+		"@type": "koral:group",
 		"relation": "or",
-		"@field": "korap:field#ID",
+		"@field": "koral:field#ID",
 		"operands": [
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00001"
 		    },
 		    {
-			"@type": "korap:term",
+			"@type": "koral:term",
 			"@value": "WPD_AAA.00002"
 		    }
 		]
diff --git a/src/test/resources/queries/metaquery9.jsonld b/src/test/resources/queries/metaquery9.jsonld
index fef3fdb..5a812ec 100644
--- a/src/test/resources/queries/metaquery9.jsonld
+++ b/src/test/resources/queries/metaquery9.jsonld
@@ -1,10 +1,10 @@
 {
     "collections":[
 	{
-	    "@type":"korap:meta-filter",
+	    "@type":"koral:meta-filter",
 	    "@value":{
-		"@type":"korap:term",
-		"@field":"korap:field#corpusID",
+		"@type":"koral:term",
+		"@field":"koral:field#corpusID",
 		"@value":"WPD"
 	    }
 	}
diff --git a/src/test/resources/queries/metas/fields.jsonld b/src/test/resources/queries/metas/fields.jsonld
index 42966ac..845f3f8 100644
--- a/src/test/resources/queries/metas/fields.jsonld
+++ b/src/test/resources/queries/metas/fields.jsonld
@@ -3,10 +3,10 @@
   "announcements" : [],
   "collections" : [
     {
-      "@type" : "korap:meta-filter",
+      "@type" : "koral:meta-filter",
       "@value" : {
-        "@field" : "korap:field#corpusID",
-        "@type" : "korap:term",
+        "@field" : "koral:field#corpusID",
+        "@type" : "koral:term",
         "@value" : "WPD"
       }
     }
@@ -17,9 +17,9 @@
     "count":9
   },
   "query" : {
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "key" : "Buchstabe",
       "foundry" : "tt",
       "layer" : "lemma",
diff --git a/src/test/resources/queries/metas/fields_2.jsonld b/src/test/resources/queries/metas/fields_2.jsonld
index c141962..02c2474 100644
--- a/src/test/resources/queries/metas/fields_2.jsonld
+++ b/src/test/resources/queries/metas/fields_2.jsonld
@@ -3,10 +3,10 @@
   "announcements" : [],
   "collections" : [
     {
-      "@type" : "korap:meta-filter",
+      "@type" : "koral:meta-filter",
       "@value" : {
-        "@field" : "korap:field#corpusID",
-        "@type" : "korap:term",
+        "@field" : "koral:field#corpusID",
+        "@type" : "koral:term",
         "@value" : "WPD"
       }
     }
@@ -17,9 +17,9 @@
     "count":2
   },
   "query" : {
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "key" : "Buchstabe",
       "foundry" : "tt",
       "layer" : "lemma",
diff --git a/src/test/resources/queries/poly1.json b/src/test/resources/queries/poly1.json
index 77bc6b5..3b2cb50 100644
--- a/src/test/resources/queries/poly1.json
+++ b/src/test/resources/queries/poly1.json
@@ -7,10 +7,10 @@
    "collection" : {},
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
@@ -18,16 +18,16 @@
    "errors" : [],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "classOut" : 1,
             "operands" : [
                {
-                  "@type" : "korap:token",
+                  "@type" : "koral:token",
                   "wrap" : {
-                     "@type" : "korap:term",
+                     "@type" : "koral:term",
                      "foundry" : "tt",
                      "key" : "VVPP",
                      "layer" : "p",
@@ -38,16 +38,16 @@
             "operation" : "operation:class"
          },
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "classOut" : 2,
             "operands" : [
                {
-                  "@type" : "korap:group",
+                  "@type" : "koral:group",
                   "operands" : [
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "foundry" : "tt",
                            "key" : "APPR",
                            "layer" : "pos",
@@ -55,9 +55,9 @@
                         }
                      },
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "foundry" : "mate",
                            "key" : "case",
                            "layer" : "m",
diff --git a/src/test/resources/queries/poly2.json b/src/test/resources/queries/poly2.json
index 543da5e..0477f35 100644
--- a/src/test/resources/queries/poly2.json
+++ b/src/test/resources/queries/poly2.json
@@ -6,10 +6,10 @@
    "collection" : {},
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
@@ -17,25 +17,25 @@
    "errors" : [],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "frames" : [
          "frames:isAround"
       ],
       "operands" : [
          {
-            "@type" : "korap:span",
+            "@type" : "koral:span",
             "key" : "s"
          },
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "operands" : [
                {
-                  "@type" : "korap:group",
+                  "@type" : "koral:group",
                   "operands" : [
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "caseInsensitive" : true,
                            "key" : "es",
                            "layer" : "orth",
@@ -43,9 +43,9 @@
                         }
                      },
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "key" : "wird",
                            "layer" : "orth",
                            "match" : "match:eq"
@@ -55,12 +55,12 @@
                   "operation" : "operation:sequence"
                },
                {
-                  "@type" : "korap:group",
+                  "@type" : "koral:group",
                   "operands" : [
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "caseInsensitive" : true,
                            "key" : "wird",
                            "layer" : "orth",
@@ -68,9 +68,9 @@
                         }
                      },
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "key" : "es",
                            "layer" : "orth",
                            "match" : "match:eq"
diff --git a/src/test/resources/queries/poly3.json b/src/test/resources/queries/poly3.json
index 45492c7..2175cf3 100644
--- a/src/test/resources/queries/poly3.json
+++ b/src/test/resources/queries/poly3.json
@@ -3,10 +3,10 @@
    "collection" : {},
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
@@ -15,28 +15,28 @@
    "messages" : [],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "Aa",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "durch",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
          {
-            "@type" : "korap:token"
+            "@type" : "koral:token"
          }
       ],
       "operation" : "operation:sequence"
diff --git a/src/test/resources/queries/poly4.json b/src/test/resources/queries/poly4.json
index 4d38ad4..025b59e 100644
--- a/src/test/resources/queries/poly4.json
+++ b/src/test/resources/queries/poly4.json
@@ -3,10 +3,10 @@
    "collection" : {},
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
@@ -28,9 +28,9 @@
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "boundary" : {
-         "@type" : "korap:boundary",
+         "@type" : "koral:boundary",
          "max" : 3,
          "min" : 1
       },
@@ -38,16 +38,16 @@
       "min" : 1,
       "operands" : [
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "operands" : [
                {
-                  "@type" : "korap:group",
+                  "@type" : "koral:group",
                   "classOut" : 1,
                   "operands" : [
                      {
-                        "@type" : "korap:token",
+                        "@type" : "koral:token",
                         "wrap" : {
-                           "@type" : "korap:term",
+                           "@type" : "koral:term",
                            "foundry" : "tt",
                            "key" : "NN",
                            "layer" : "p",
@@ -58,9 +58,9 @@
                   "operation" : "operation:class"
                },
                {
-                  "@type" : "korap:group",
+                  "@type" : "koral:group",
                   "boundary" : {
-                     "@type" : "korap:boundary",
+                     "@type" : "koral:boundary",
                      "max" : 5,
                      "min" : 1
                   },
@@ -68,7 +68,7 @@
                   "min" : 1,
                   "operands" : [
                      {
-                        "@type" : "korap:token"
+                        "@type" : "koral:token"
                      }
                   ],
                   "operation" : "operation:repetition"
diff --git a/src/test/resources/queries/sequence/empty-first-class.jsonld b/src/test/resources/queries/sequence/empty-first-class.jsonld
index f55d382..3c0e1ff 100644
--- a/src/test/resources/queries/sequence/empty-first-class.jsonld
+++ b/src/test/resources/queries/sequence/empty-first-class.jsonld
@@ -2,31 +2,31 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 2,
 	     "operation" : "operation:class",
 	     "operands" : [
              {
-               "@type" : "korap:token"
+               "@type" : "koral:token"
              }]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-first-repetition-2.jsonld b/src/test/resources/queries/sequence/empty-first-repetition-2.jsonld
index c84cc4c..cd7d828 100644
--- a/src/test/resources/queries/sequence/empty-first-repetition-2.jsonld
+++ b/src/test/resources/queries/sequence/empty-first-repetition-2.jsonld
@@ -2,35 +2,35 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
      "operands" : [
        {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 0,
 	   "max" : 0
 	 },
 	 "operands" : [
 	   {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	   }]	     
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-first-repetition.jsonld b/src/test/resources/queries/sequence/empty-first-repetition.jsonld
index 91c09ad..9053171 100644
--- a/src/test/resources/queries/sequence/empty-first-repetition.jsonld
+++ b/src/test/resources/queries/sequence/empty-first-repetition.jsonld
@@ -2,35 +2,35 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
      "operands" : [
        {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 2,
 	   "max" : 7
 	 },
 	 "operands" : [
 	   {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	   }]	     
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-first.jsonld b/src/test/resources/queries/sequence/empty-first.jsonld
index 0c7b7a5..6e096f1 100644
--- a/src/test/resources/queries/sequence/empty-first.jsonld
+++ b/src/test/resources/queries/sequence/empty-first.jsonld
@@ -2,25 +2,25 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-last-class.jsonld b/src/test/resources/queries/sequence/empty-last-class.jsonld
index 9a5ad5e..99dbfa6 100644
--- a/src/test/resources/queries/sequence/empty-last-class.jsonld
+++ b/src/test/resources/queries/sequence/empty-last-class.jsonld
@@ -2,34 +2,34 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 3,
 	     "operation" : "operation:class",
 	     "operands" : [
              {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	     }]
          }
       ],
diff --git a/src/test/resources/queries/sequence/empty-last-repetition.jsonld b/src/test/resources/queries/sequence/empty-last-repetition.jsonld
index c57d45a..e5922fc 100644
--- a/src/test/resources/queries/sequence/empty-last-repetition.jsonld
+++ b/src/test/resources/queries/sequence/empty-last-repetition.jsonld
@@ -2,38 +2,38 @@
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "collections" : [
     {
-      "@type" : "korap:meta-filter",
+      "@type" : "koral:meta-filter",
       "@value" : {
-        "@field" : "korap:field#corpusID",
-        "@type" : "korap:term",
+        "@field" : "koral:field#corpusID",
+        "@type" : "koral:term",
         "@value" : "WPD"
       }
     }
   ],
   "meta" : {},
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "der",
           "layer" : "orth",
           "match" : "match:eq"
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:repetition",
 	"boundary": {
-	  "@type" : "korap:boundary",
+	  "@type" : "koral:boundary",
 	  "min" : 3,
 	  "max" : 5
 	},
 	"operands" : [
 	  {
-            "@type" : "korap:token"
+            "@type" : "koral:token"
 	  }
 	]
       }
diff --git a/src/test/resources/queries/sequence/empty-last.jsonld b/src/test/resources/queries/sequence/empty-last.jsonld
index 395e8f8..4469cc4 100644
--- a/src/test/resources/queries/sequence/empty-last.jsonld
+++ b/src/test/resources/queries/sequence/empty-last.jsonld
@@ -2,29 +2,29 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          }
       ],
       "operation" : "operation:sequence"
diff --git a/src/test/resources/queries/sequence/empty-middle-class.jsonld b/src/test/resources/queries/sequence/empty-middle-class.jsonld
index 9203e5e..bd4cf0b 100644
--- a/src/test/resources/queries/sequence/empty-middle-class.jsonld
+++ b/src/test/resources/queries/sequence/empty-middle-class.jsonld
@@ -2,41 +2,41 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 1,
 	     "operation" : "operation:class",
 	     "operands" : [
 	 	 {
-         	     "@type" : "korap:token"
+         	     "@type" : "koral:token"
          	 }
              ]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-middle-repetition.jsonld b/src/test/resources/queries/sequence/empty-middle-repetition.jsonld
index 22677c5..2bcba1d 100644
--- a/src/test/resources/queries/sequence/empty-middle-repetition.jsonld
+++ b/src/test/resources/queries/sequence/empty-middle-repetition.jsonld
@@ -2,44 +2,44 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
 	 {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 4,
 	   "max" : 8
 	 },
 	 "operands" : [
 	   {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	     }]	     
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-middle.jsonld b/src/test/resources/queries/sequence/empty-middle.jsonld
index 005bae4..f4d72e6 100644
--- a/src/test/resources/queries/sequence/empty-middle.jsonld
+++ b/src/test/resources/queries/sequence/empty-middle.jsonld
@@ -2,34 +2,34 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "key" : "der",
                "layer" : "orth",
                "match" : "match:eq"
             }
          },
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/empty-surround-class-2.jsonld b/src/test/resources/queries/sequence/empty-surround-class-2.jsonld
index f927e59..1c14265 100644
--- a/src/test/resources/queries/sequence/empty-surround-class-2.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround-class-2.jsonld
@@ -1,21 +1,21 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 3,
 	     "operation" : "operation:class",
 	     "operands" : [
 	     	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 }]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -23,12 +23,12 @@
             }
          },
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 2,
 	     "operation" : "operation:class",
 	     "operands" : [
 	     	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	     }]
          }
       ],
diff --git a/src/test/resources/queries/sequence/empty-surround-class.jsonld b/src/test/resources/queries/sequence/empty-surround-class.jsonld
index b9a44d0..843dccb 100644
--- a/src/test/resources/queries/sequence/empty-surround-class.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround-class.jsonld
@@ -1,15 +1,15 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -17,12 +17,12 @@
             }
          },
 	 {
-	     "@type" : "korap:group",
+	     "@type" : "koral:group",
 	     "classOut" : 2,
 	     "operation" : "operation:class",
 	     "operands" : [
 	     	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 	     }]
          }
       ],
diff --git a/src/test/resources/queries/sequence/empty-surround-repetition-2.jsonld b/src/test/resources/queries/sequence/empty-surround-repetition-2.jsonld
index 789fc53..c66cedb 100644
--- a/src/test/resources/queries/sequence/empty-surround-repetition-2.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround-repetition-2.jsonld
@@ -1,25 +1,25 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 3,
 	   "max" : 5
 	 },
 	 "operands" : [
 	   {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 }]	     
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -27,17 +27,17 @@
             }
          },
 	 {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 2,
 	   "max" : 7
 	 },
 	 "operands" : [
 	   {
 
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 }]	     
          }
       ],
diff --git a/src/test/resources/queries/sequence/empty-surround-repetition-class.jsonld b/src/test/resources/queries/sequence/empty-surround-repetition-class.jsonld
index ec34606..7521c25 100644
--- a/src/test/resources/queries/sequence/empty-surround-repetition-class.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround-repetition-class.jsonld
@@ -1,33 +1,33 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:repetition",
 	"boundary": {
-	  "@type" : "korap:boundary",
+	  "@type" : "koral:boundary",
 	  "min" : 3,
 	  "max" : 8
 	},
 	"operands" : [
 	  {
-	    "@type" : "korap:group",
+	    "@type" : "koral:group",
 	    "classOut" : 1,
 	    "operation" : "operation:class",
 	    "operands" : [
 	      {
-		"@type" : "korap:token"
+		"@type" : "koral:token"
 	      }
 	    ]
 	  }
 	]
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -35,21 +35,21 @@
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"classOut" : 2,
 	"operation" : "operation:class",
 	"operands" : [
 	  {
-	    "@type" : "korap:group",
+	    "@type" : "koral:group",
 	    "operation" : "operation:repetition",
 	    "boundary": {
-	      "@type" : "korap:boundary",
+	      "@type" : "koral:boundary",
 	      "min" : 2,
 	      "max" : 7
 	    },
 	    "operands" : [
 	      {
-		"@type" : "korap:token"
+		"@type" : "koral:token"
 	      }
 	    ]	     
           }
diff --git a/src/test/resources/queries/sequence/empty-surround-repetition.jsonld b/src/test/resources/queries/sequence/empty-surround-repetition.jsonld
index 6b88e4f..ccd33c4 100644
--- a/src/test/resources/queries/sequence/empty-surround-repetition.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround-repetition.jsonld
@@ -1,15 +1,15 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -17,17 +17,17 @@
             }
          },
 	 {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 2,
 	   "max" : 7
 	 },
 	 "operands" : [
 	   {
 
-             "@type" : "korap:token"
+             "@type" : "koral:token"
 }]	     
          }
       ],
diff --git a/src/test/resources/queries/sequence/empty-surround.jsonld b/src/test/resources/queries/sequence/empty-surround.jsonld
index 2e93da6..6e1208f 100644
--- a/src/test/resources/queries/sequence/empty-surround.jsonld
+++ b/src/test/resources/queries/sequence/empty-surround.jsonld
@@ -1,15 +1,15 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -17,7 +17,7 @@
             }
          },
 	 {
-             "@type" : "korap:token"
+             "@type" : "koral:token"
          }
       ],
       "operation" : "operation:sequence"
diff --git a/src/test/resources/queries/sequence/empty.jsonld b/src/test/resources/queries/sequence/empty.jsonld
index 473404d..c3b0fed 100644
--- a/src/test/resources/queries/sequence/empty.jsonld
+++ b/src/test/resources/queries/sequence/empty.jsonld
@@ -2,16 +2,16 @@
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "collections" : [
       {
-         "@type" : "korap:meta-filter",
+         "@type" : "koral:meta-filter",
          "@value" : {
-            "@field" : "korap:field#corpusID",
-            "@type" : "korap:term",
+            "@field" : "koral:field#corpusID",
+            "@type" : "koral:term",
             "@value" : "WPD"
          }
       }
    ],
    "meta" : {},
    "query" : {
-     "@type" : "korap:token"
+     "@type" : "koral:token"
    }
 }
\ No newline at end of file
diff --git a/src/test/resources/queries/sequence/multiple-distances.jsonld b/src/test/resources/queries/sequence/multiple-distances.jsonld
index 4187ded..0696440 100644
--- a/src/test/resources/queries/sequence/multiple-distances.jsonld
+++ b/src/test/resources/queries/sequence/multiple-distances.jsonld
@@ -1,12 +1,12 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "distances" : [
       {
-        "@type" : "korap:distance",
+        "@type" : "koral:distance",
         "boundary" : {
-          "@type" : "korap:boundary",
+          "@type" : "koral:boundary",
           "max" : 11,
           "min" : 1
         },
@@ -18,21 +18,21 @@
     "inOrder" : true,
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "key" : "er",
           "layer" : "orth",
           "match" : "match:eq"
         }
       },
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "distances" : [
           {
-            "@type" : "korap:distance",
+            "@type" : "koral:distance",
             "boundary" : {
-              "@type" : "korap:boundary",
+              "@type" : "koral:boundary",
               "max" : 11,
               "min" : 2
             },
@@ -44,18 +44,18 @@
         "inOrder" : true,
         "operands" : [
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "key" : "kann",
               "layer" : "orth",
               "match" : "match:eq"
             }
           },
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "key" : "sagte",
               "layer" : "orth",
               "match" : "match:eq"
diff --git a/src/test/resources/queries/sequence/negative-first-repetition-2.jsonld b/src/test/resources/queries/sequence/negative-first-repetition-2.jsonld
index ded4793..283c605 100644
--- a/src/test/resources/queries/sequence/negative-first-repetition-2.jsonld
+++ b/src/test/resources/queries/sequence/negative-first-repetition-2.jsonld
@@ -1,22 +1,22 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 0,
 	   "max" : 5
 	 },
 	 "operands" : [
 	   {
 
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -25,9 +25,9 @@
 	   }]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-first-repetition-3.jsonld b/src/test/resources/queries/sequence/negative-first-repetition-3.jsonld
index 7ab3c24..6cd81a0 100644
--- a/src/test/resources/queries/sequence/negative-first-repetition-3.jsonld
+++ b/src/test/resources/queries/sequence/negative-first-repetition-3.jsonld
@@ -1,22 +1,22 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 0,
 	   "max" : 0
 	 },
 	 "operands" : [
 	   {
 
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -25,9 +25,9 @@
 	   }]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-first-repetition.jsonld b/src/test/resources/queries/sequence/negative-first-repetition.jsonld
index 63df1bf..e040207 100644
--- a/src/test/resources/queries/sequence/negative-first-repetition.jsonld
+++ b/src/test/resources/queries/sequence/negative-first-repetition.jsonld
@@ -1,22 +1,22 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-	 "@type" : "korap:group",
+	 "@type" : "koral:group",
 	 "operation" : "operation:repetition",
 	 "boundary": {
-	   "@type" : "korap:boundary",
+	   "@type" : "koral:boundary",
 	   "min" : 4,
 	   "max" : 5
 	 },
 	 "operands" : [
 	   {
 
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -25,9 +25,9 @@
 	   }]
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-first.jsonld b/src/test/resources/queries/sequence/negative-first.jsonld
index 5f4a130..8c801bf 100644
--- a/src/test/resources/queries/sequence/negative-first.jsonld
+++ b/src/test/resources/queries/sequence/negative-first.jsonld
@@ -1,12 +1,12 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -14,9 +14,9 @@
             }
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-class-repetition-2.jsonld b/src/test/resources/queries/sequence/negative-last-class-repetition-2.jsonld
index 0d7207a..a1ab7f7 100644
--- a/src/test/resources/queries/sequence/negative-last-class-repetition-2.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-class-repetition-2.jsonld
@@ -1,12 +1,12 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -14,23 +14,23 @@
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:repetition",
 	"boundary": {
-	  "@type" : "korap:boundary",
+	  "@type" : "koral:boundary",
 	  "min" : 4,
 	  "max" : 5
 	},
 	"operands" : [
 	  {
-	    "@type" : "korap:group",
+	    "@type" : "koral:group",
 	    "classOut" : 2,
 	    "operation" : "operation:class",
 	    "operands" : [
 	      {
-		"@type" : "korap:token",
+		"@type" : "koral:token",
 		"wrap" : {
-		  "@type" : "korap:term",
+		  "@type" : "koral:term",
 		  "foundry" : "tt",
 		  "key" : "NN",
 		  "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-class-repetition.jsonld b/src/test/resources/queries/sequence/negative-last-class-repetition.jsonld
index 71cc4f3..4dd9e31 100644
--- a/src/test/resources/queries/sequence/negative-last-class-repetition.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-class-repetition.jsonld
@@ -1,12 +1,12 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -14,23 +14,23 @@
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"classOut" : 2,
 	"operation" : "operation:class",
 	"operands" : [
 	  {
-	    "@type" : "korap:group",
+	    "@type" : "koral:group",
 	    "operation" : "operation:repetition",
 	    "boundary": {
-	      "@type" : "korap:boundary",
+	      "@type" : "koral:boundary",
 	      "min" : 4,
 	      "max" : 5
 	    },
 	    "operands" : [
 	      {
-		"@type" : "korap:token",
+		"@type" : "koral:token",
 		"wrap" : {
-		  "@type" : "korap:term",
+		  "@type" : "koral:term",
 		  "foundry" : "tt",
 		  "key" : "NN",
 		  "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-class.jsonld b/src/test/resources/queries/sequence/negative-last-class.jsonld
index b668db6..fe7bb08 100644
--- a/src/test/resources/queries/sequence/negative-last-class.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-class.jsonld
@@ -1,12 +1,12 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -14,14 +14,14 @@
             }
          },
         {
-	  "@type" : "korap:group",
+	  "@type" : "koral:group",
 	  "classOut" : 2,
 	  "operation" : "operation:class",
 	  "operands" : [
 	    {
-              "@type" : "korap:token",
+              "@type" : "koral:token",
               "wrap" : {
-		"@type" : "korap:term",
+		"@type" : "koral:term",
 		"foundry" : "tt",
 		"key" : "NN",
 		"layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-constraint.jsonld b/src/test/resources/queries/sequence/negative-last-constraint.jsonld
index 6c61d11..07be775 100644
--- a/src/test/resources/queries/sequence/negative-last-constraint.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-constraint.jsonld
@@ -1,13 +1,13 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "distances" : [
       {
-      "@type" : "korap:distance",
+      "@type" : "koral:distance",
       "boundary" : {
-	"@type" : "korap:boundary",
+	"@type" : "koral:boundary",
 	"min" : 1,
 	"max" : 2
       },
@@ -17,9 +17,9 @@
     ],
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -27,9 +27,9 @@
         }
       },
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-sequence-2.jsonld b/src/test/resources/queries/sequence/negative-last-sequence-2.jsonld
index 3e6f4dd..eaa1e94 100644
--- a/src/test/resources/queries/sequence/negative-last-sequence-2.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-sequence-2.jsonld
@@ -1,13 +1,13 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -15,13 +15,13 @@
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:sequence",
 	"operands" : [
 	  {
-	    "@type" : "korap:token",
+	    "@type" : "koral:token",
 	    "wrap" : {
-	      "@type" : "korap:term",
+	      "@type" : "koral:term",
 	      "foundry" : "tt",
 	      "key" : "DET",
 	      "layer" : "p",
@@ -29,9 +29,9 @@
 	    }
 	  },
 	  {
-	    "@type" : "korap:token",
+	    "@type" : "koral:token",
 	    "wrap" : {
-	      "@type" : "korap:term",
+	      "@type" : "koral:term",
 	      "foundry" : "tt",
 	      "key" : "ADJ",
 	      "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last-sequence.jsonld b/src/test/resources/queries/sequence/negative-last-sequence.jsonld
index c3e2777..6e55d60 100644
--- a/src/test/resources/queries/sequence/negative-last-sequence.jsonld
+++ b/src/test/resources/queries/sequence/negative-last-sequence.jsonld
@@ -1,13 +1,13 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation" : "operation:sequence",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "tt",
           "key" : "NN",
           "layer" : "p",
@@ -15,13 +15,13 @@
         }
       },
       {
-	"@type" : "korap:group",
+	"@type" : "koral:group",
 	"operation" : "operation:sequence",
 	"operands" : [
 	  {
-	    "@type" : "korap:token",
+	    "@type" : "koral:token",
 	    "wrap" : {
-	      "@type" : "korap:term",
+	      "@type" : "koral:term",
 	      "foundry" : "tt",
 	      "key" : "DET",
 	      "layer" : "p",
@@ -29,9 +29,9 @@
 	    }
 	  },
 	  {
-	    "@type" : "korap:token",
+	    "@type" : "koral:token",
 	    "wrap" : {
-	      "@type" : "korap:term",
+	      "@type" : "koral:term",
 	      "foundry" : "tt",
 	      "key" : "ADJ",
 	      "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative-last.jsonld b/src/test/resources/queries/sequence/negative-last.jsonld
index 7b29c8b..3df451b 100644
--- a/src/test/resources/queries/sequence/negative-last.jsonld
+++ b/src/test/resources/queries/sequence/negative-last.jsonld
@@ -1,12 +1,12 @@
 {
    "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
    "query" : {
-      "@type" : "korap:group",
+      "@type" : "koral:group",
       "operands" : [
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
@@ -14,9 +14,9 @@
             }
          },
          {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-               "@type" : "korap:term",
+               "@type" : "koral:term",
                "foundry" : "tt",
                "key" : "NN",
                "layer" : "p",
diff --git a/src/test/resources/queries/sequence/negative.jsonld b/src/test/resources/queries/sequence/negative.jsonld
index c0f5c21..ea1cf1b 100644
--- a/src/test/resources/queries/sequence/negative.jsonld
+++ b/src/test/resources/queries/sequence/negative.jsonld
@@ -1,9 +1,9 @@
 {
   "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query" : {
-    "@type" : "korap:token",
+    "@type" : "koral:token",
     "wrap" : {
-      "@type" : "korap:term",
+      "@type" : "koral:term",
       "foundry" : "tt",
       "key" : "NN",
       "layer" : "p",
diff --git a/src/test/resources/queries/submatch/embedded-negative-class-seq.jsonld b/src/test/resources/queries/submatch/embedded-negative-class-seq.jsonld
index 62e48c7..bd938cf 100644
--- a/src/test/resources/queries/submatch/embedded-negative-class-seq.jsonld
+++ b/src/test/resources/queries/submatch/embedded-negative-class-seq.jsonld
@@ -8,30 +8,30 @@
     ]],
     "collection": {},
     "query": {
-        "@type": "korap:reference",
+        "@type": "koral:reference",
         "operation": "operation:focus",
         "operands": [{
-            "@type": "korap:group",
+            "@type": "koral:group",
             "operation": "operation:class",
             "class": 1,
             "classOut": 1,
             "operands": [{
-                "@type": "korap:group",
+                "@type": "koral:group",
                 "operation": "operation:sequence",
                 "operands": [
                     {
-                        "@type": "korap:token",
+                        "@type": "koral:token",
                         "wrap": {
-                            "@type": "korap:term",
+                            "@type": "koral:term",
                             "layer": "lemma",
                             "key": "Baum",
                             "match": "match:ne"
                         }
                     },
                     {
-                        "@type": "korap:token",
+                        "@type": "koral:token",
                         "wrap": {
-                            "@type": "korap:term",
+                            "@type": "koral:term",
                             "layer": "orth",
                             "key": "dass",
                             "match": "match:eq"
diff --git a/src/test/resources/queries/submatch/embedded-negative-repetition.jsonld b/src/test/resources/queries/submatch/embedded-negative-repetition.jsonld
index 29f676d..69b3efd 100644
--- a/src/test/resources/queries/submatch/embedded-negative-repetition.jsonld
+++ b/src/test/resources/queries/submatch/embedded-negative-repetition.jsonld
@@ -5,35 +5,35 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:reference",
+        "@type": "koral:reference",
         "operation": "operation:focus",
         "operands": [{
-            "@type": "korap:group",
+            "@type": "koral:group",
             "operation": "operation:sequence",
             "operands": [
                 {
-                    "@type": "korap:token",
+                    "@type": "koral:token",
                     "wrap": {
-                        "@type": "korap:term",
+                        "@type": "koral:term",
                         "layer": "orth",
                         "key": "das",
                         "match": "match:eq"
                     }
                 },
                 {
-                    "@type": "korap:group",
+                    "@type": "koral:group",
                     "operation": "operation:repetition",
                     "operands": [{
-                        "@type": "korap:token",
+                        "@type": "koral:token",
                         "wrap": {
-                            "@type": "korap:term",
+                            "@type": "koral:term",
                             "layer": "lemma",
                             "key": "Baum",
                             "match": "match:ne"
                         }
                     }],
                     "boundary": {
-                        "@type": "korap:boundary",
+                        "@type": "koral:boundary",
                         "min": 1,
                         "max": 3
                     }
diff --git a/src/test/resources/queries/submatch/embedded-negative-seq.jsonld b/src/test/resources/queries/submatch/embedded-negative-seq.jsonld
index 5f9b1a8..fb48ea1 100644
--- a/src/test/resources/queries/submatch/embedded-negative-seq.jsonld
+++ b/src/test/resources/queries/submatch/embedded-negative-seq.jsonld
@@ -5,25 +5,25 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:reference",
+        "@type": "koral:reference",
         "operation": "operation:focus",
         "operands": [{
-            "@type": "korap:group",
+            "@type": "koral:group",
             "operation": "operation:sequence",
             "operands": [
                 {
-                    "@type": "korap:token",
+                    "@type": "koral:token",
                     "wrap": {
-                        "@type": "korap:term",
+                        "@type": "koral:term",
                         "layer": "orth",
                         "key": "das",
                         "match": "match:eq"
                     }
                 },
                 {
-                    "@type": "korap:token",
+                    "@type": "koral:token",
                     "wrap": {
-                        "@type": "korap:term",
+                        "@type": "koral:term",
                         "layer": "lemma",
                         "key": "Baum",
                         "match": "match:ne"
diff --git a/src/test/resources/queries/submatch/embedded-null.jsonld b/src/test/resources/queries/submatch/embedded-null.jsonld
index 4672473..2666187 100644
--- a/src/test/resources/queries/submatch/embedded-null.jsonld
+++ b/src/test/resources/queries/submatch/embedded-null.jsonld
@@ -2,13 +2,13 @@
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "collection":null,
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation":"operation:sequence",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "die",
           "layer" : "orth",
@@ -16,13 +16,13 @@
         }
       },
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:reference",
+            "@type" : "koral:reference",
 	    "operands" : [
 	      {
-		"@type" : "korap:token"
+		"@type" : "koral:token"
 	      }
 	    ],
             "operation" : "operation:focus",
diff --git a/src/test/resources/queries/submatch/embedded-valid-empty.jsonld b/src/test/resources/queries/submatch/embedded-valid-empty.jsonld
index a6f22bd..54025a9 100644
--- a/src/test/resources/queries/submatch/embedded-valid-empty.jsonld
+++ b/src/test/resources/queries/submatch/embedded-valid-empty.jsonld
@@ -2,13 +2,13 @@
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "collection":null,
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operation":"operation:sequence",
     "operands" : [
       {
-        "@type" : "korap:token",
+        "@type" : "koral:token",
         "wrap" : {
-          "@type" : "korap:term",
+          "@type" : "koral:term",
           "foundry" : "opennlp",
           "key" : "die",
           "layer" : "orth",
@@ -16,20 +16,20 @@
         }
       },
       {
-        "@type" : "korap:reference",
+        "@type" : "koral:reference",
         "spanRef" : [2],
 	"operands" : [
 	  {
-	    "@type" : "korap:group",
+	    "@type" : "koral:group",
 	    "operation" : "operation:repetition",
 	    "boundary" : {
-	      "@type" : "korap:boundary",
+	      "@type" : "koral:boundary",
 	      "max" : 5,
 	      "min" : 0
 	    },
 	    "operands" : [
 	      {
-		"@type" : "korap:token"
+		"@type" : "koral:token"
 	      }
 	    ]
 	  }
diff --git a/src/test/resources/queries/submatch/embedded.jsonld b/src/test/resources/queries/submatch/embedded.jsonld
index e09bef5..22d0707 100644
--- a/src/test/resources/queries/submatch/embedded.jsonld
+++ b/src/test/resources/queries/submatch/embedded.jsonld
@@ -2,15 +2,15 @@
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "collection":null,
   "query" : {
-    "@type" : "korap:group",
+    "@type" : "koral:group",
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:token",
+            "@type" : "koral:token",
             "wrap" : {
-              "@type" : "korap:term",
+              "@type" : "koral:term",
               "foundry" : "opennlp",
               "key" : "die",
               "layer" : "orth",
@@ -21,18 +21,18 @@
         "operation" : "operation:class"
       },
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "operands" : [
           {
-            "@type" : "korap:reference",
+            "@type" : "koral:reference",
             "operands" : [
 	      {
-		"@type" : "korap:group",
+		"@type" : "koral:group",
 		"operands" : [
 		  {
-		    "@type" : "korap:token",
+		    "@type" : "koral:token",
 		    "wrap" : {
-		      "@type" : "korap:term",
+		      "@type" : "koral:term",
 		      "foundry" : "opennlp",
 		      "key" : "der",
 		      "layer" : "orth",
@@ -40,14 +40,14 @@
 		    }
 		  },
 		  {
-		    "@type" : "korap:group",
+		    "@type" : "koral:group",
 		    "boundary" : {
-		      "@type" : "korap:boundary",
+		      "@type" : "koral:boundary",
 		      "min" : 1
 		    },
 		    "operands" : [
 		      {
-			"@type" : "korap:token"
+			"@type" : "koral:token"
 		      }
 		    ],
 		    "operation" : "operation:repetition"
diff --git a/src/test/resources/queries/submatch/empty-max.jsonld b/src/test/resources/queries/submatch/empty-max.jsonld
index dc4d321..3dd1fd9 100644
--- a/src/test/resources/queries/submatch/empty-max.jsonld
+++ b/src/test/resources/queries/submatch/empty-max.jsonld
@@ -11,15 +11,15 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
 	      {
-			"@type" : "korap:group",
+			"@type" : "koral:group",
 			"operands" : [
 			  {
-			    "@type" : "korap:token",
+			    "@type" : "koral:token",
 			    "wrap" : {
-			      "@type" : "korap:term",
+			      "@type" : "koral:term",
 			      "foundry" : "opennlp",
 			      "key" : "der",
 			      "layer" : "orth",
@@ -27,15 +27,15 @@
 			    }
 			  },
 			  {
-			    "@type" : "korap:group",
+			    "@type" : "koral:group",
 			    "boundary" : {
-			      "@type" : "korap:boundary",
+			      "@type" : "koral:boundary",
 			      "min" : 1,
 			      "max" : 8
 			    },
 			    "operands" : [
 			      {
-					"@type" : "korap:token"
+					"@type" : "koral:token"
 			      }
 			    ],
 			    "operation" : "operation:repetition"
diff --git a/src/test/resources/queries/submatch/empty-minusStart.jsonld b/src/test/resources/queries/submatch/empty-minusStart.jsonld
index 3efaeba..20de16f 100644
--- a/src/test/resources/queries/submatch/empty-minusStart.jsonld
+++ b/src/test/resources/queries/submatch/empty-minusStart.jsonld
@@ -11,15 +11,15 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
 	      {
-			"@type" : "korap:group",
+			"@type" : "koral:group",
 			"operands" : [
 			  {
-			    "@type" : "korap:token",
+			    "@type" : "koral:token",
 			    "wrap" : {
-			      "@type" : "korap:term",
+			      "@type" : "koral:term",
 			      "foundry" : "opennlp",
 			      "key" : "der",
 			      "layer" : "orth",
@@ -27,15 +27,15 @@
 			    }
 			  },
 			  {
-			    "@type" : "korap:group",
+			    "@type" : "koral:group",
 			    "boundary" : {
-			      "@type" : "korap:boundary",
+			      "@type" : "koral:boundary",
 			      "min" : 1,
 			      "max" : 8
 			    },
 			    "operands" : [
 			      {
-					"@type" : "korap:token"
+					"@type" : "koral:token"
 			      }
 			    ],
 			    "operation" : "operation:repetition"
diff --git a/src/test/resources/queries/submatch/minusStart.jsonld b/src/test/resources/queries/submatch/minusStart.jsonld
index 38c593a..3b6df37 100644
--- a/src/test/resources/queries/submatch/minusStart.jsonld
+++ b/src/test/resources/queries/submatch/minusStart.jsonld
@@ -11,10 +11,10 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-            "@type" : "korap:span",
+            "@type" : "koral:span",
             "key" : "s"
          }
       ],
diff --git a/src/test/resources/queries/submatch/negative-repetition.jsonld b/src/test/resources/queries/submatch/negative-repetition.jsonld
index b869ba2..efbea0a 100644
--- a/src/test/resources/queries/submatch/negative-repetition.jsonld
+++ b/src/test/resources/queries/submatch/negative-repetition.jsonld
@@ -5,35 +5,35 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:group",
+        "@type": "koral:group",
         "operation": "operation:sequence",
         "operands": [
             {
-                "@type": "korap:token",
+                "@type": "koral:token",
                 "wrap": {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "orth",
                     "key": "das",
                     "match": "match:eq"
                 }
             },
             {
-                "@type": "korap:reference",
+                "@type": "koral:reference",
                 "operation": "operation:focus",
                 "operands": [{
-                    "@type": "korap:group",
+                    "@type": "koral:group",
                     "operation": "operation:repetition",
                     "operands": [{
-                        "@type": "korap:token",
+                        "@type": "koral:token",
                         "wrap": {
-                            "@type": "korap:term",
+                            "@type": "koral:term",
                             "layer": "lemma",
                             "key": "Baum",
                             "match": "match:ne"
                         }
                     }],
                     "boundary": {
-                        "@type": "korap:boundary",
+                        "@type": "koral:boundary",
                         "min": 1,
                         "max": 3
                     }
diff --git a/src/test/resources/queries/submatch/negative-seq.jsonld b/src/test/resources/queries/submatch/negative-seq.jsonld
index 0d4a733..3c53de0 100644
--- a/src/test/resources/queries/submatch/negative-seq.jsonld
+++ b/src/test/resources/queries/submatch/negative-seq.jsonld
@@ -5,25 +5,25 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:group",
+        "@type": "koral:group",
         "operation": "operation:sequence",
         "operands": [
             {
-                "@type": "korap:token",
+                "@type": "koral:token",
                 "wrap": {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "orth",
                     "key": "das",
                     "match": "match:eq"
                 }
             },
             {
-                "@type": "korap:reference",
+                "@type": "koral:reference",
                 "operation": "operation:focus",
                 "operands": [{
-                    "@type": "korap:token",
+                    "@type": "koral:token",
                     "wrap": {
-                        "@type": "korap:term",
+                        "@type": "koral:term",
                         "layer": "lemma",
                         "key": "Baum",
                         "match": "match:ne"
diff --git a/src/test/resources/queries/submatch/negative-sequence-class.jsonld b/src/test/resources/queries/submatch/negative-sequence-class.jsonld
index 63b6e56..45a05c7 100644
--- a/src/test/resources/queries/submatch/negative-sequence-class.jsonld
+++ b/src/test/resources/queries/submatch/negative-sequence-class.jsonld
@@ -8,30 +8,30 @@
     ]],
     "collection": {},
     "query": {
-        "@type": "korap:group",
+        "@type": "koral:group",
         "operation": "operation:sequence",
         "operands": [
             {
-                "@type": "korap:token",
+                "@type": "koral:token",
                 "wrap": {
-                    "@type": "korap:term",
+                    "@type": "koral:term",
                     "layer": "orth",
                     "key": "das",
                     "match": "match:eq"
                 }
             },
             {
-                "@type": "korap:group",
+                "@type": "koral:group",
                 "operation": "operation:class",
                 "class": 1,
                 "classOut": 1,
                 "operands": [{
-                    "@type": "korap:reference",
+                    "@type": "koral:reference",
                     "operation": "operation:focus",
                     "operands": [{
-                        "@type": "korap:token",
+                        "@type": "koral:token",
                         "wrap": {
-                            "@type": "korap:term",
+                            "@type": "koral:term",
                             "layer": "lemma",
                             "key": "Baum",
                             "match": "match:ne"
diff --git a/src/test/resources/queries/submatch/negative-token.jsonld b/src/test/resources/queries/submatch/negative-token.jsonld
index c4c0408..3d52879 100644
--- a/src/test/resources/queries/submatch/negative-token.jsonld
+++ b/src/test/resources/queries/submatch/negative-token.jsonld
@@ -5,12 +5,12 @@
     "messages": [],
     "collection": {},
     "query": {
-        "@type": "korap:reference",
+        "@type": "koral:reference",
         "operation": "operation:focus",
         "operands": [{
-            "@type": "korap:token",
+            "@type": "koral:token",
             "wrap": {
-                "@type": "korap:term",
+                "@type": "koral:term",
                 "layer": "lemma",
                 "key": "Baum",
                 "match": "match:ne"
diff --git a/src/test/resources/queries/submatch/noLength.jsonld b/src/test/resources/queries/submatch/noLength.jsonld
index 6363de6..230b4cb 100644
--- a/src/test/resources/queries/submatch/noLength.jsonld
+++ b/src/test/resources/queries/submatch/noLength.jsonld
@@ -11,10 +11,10 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-            "@type" : "korap:span",
+            "@type" : "koral:span",
             "key" : "s"
          }
       ],
diff --git a/src/test/resources/queries/submatch/simpleElement.jsonld b/src/test/resources/queries/submatch/simpleElement.jsonld
index cc4a529..a48b56e 100644
--- a/src/test/resources/queries/submatch/simpleElement.jsonld
+++ b/src/test/resources/queries/submatch/simpleElement.jsonld
@@ -11,22 +11,22 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "frames" : [
                "frames:isAround"
             ],
             "operands" : [
                {
-                  "@type" : "korap:span",
+                  "@type" : "koral:span",
                   "key" : "s"
                },
                {
-                  "@type" : "korap:token",
+                  "@type" : "koral:token",
                   "wrap" : {
-                     "@type" : "korap:term",
+                     "@type" : "koral:term",
                      "foundry" : "tt",
                      "key" : "Haus",
                      "layer" : "lemma",
diff --git a/src/test/resources/queries/submatch/term-null.jsonld b/src/test/resources/queries/submatch/term-null.jsonld
index 71b0b11..136dbe0 100644
--- a/src/test/resources/queries/submatch/term-null.jsonld
+++ b/src/test/resources/queries/submatch/term-null.jsonld
@@ -11,12 +11,12 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-          "@type" : "korap:token",
+          "@type" : "koral:token",
           "wrap" : {
-             "@type" : "korap:term",
+             "@type" : "koral:term",
              "foundry" : "tt",
              "key" : "Haus",
              "layer" : "lemma",
diff --git a/src/test/resources/queries/submatch/term-start-offset.jsonld b/src/test/resources/queries/submatch/term-start-offset.jsonld
index 84a6395..2ff9017 100644
--- a/src/test/resources/queries/submatch/term-start-offset.jsonld
+++ b/src/test/resources/queries/submatch/term-start-offset.jsonld
@@ -11,12 +11,12 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-          "@type" : "korap:token",
+          "@type" : "koral:token",
           "wrap" : {
-             "@type" : "korap:term",
+             "@type" : "koral:term",
              "foundry" : "tt",
              "key" : "Haus",
              "layer" : "lemma",
diff --git a/src/test/resources/queries/submatch/termquery.jsonld b/src/test/resources/queries/submatch/termquery.jsonld
index 7a831b1..aaaa825 100644
--- a/src/test/resources/queries/submatch/termquery.jsonld
+++ b/src/test/resources/queries/submatch/termquery.jsonld
@@ -11,12 +11,12 @@
    ],
    "collection":null,
    "query":{
-      "@type" : "korap:reference",
+      "@type" : "koral:reference",
       "operands" : [
          {
-          "@type" : "korap:token",
+          "@type" : "koral:token",
           "wrap" : {
-             "@type" : "korap:term",
+             "@type" : "koral:term",
              "foundry" : "tt",
              "key" : "Haus",
              "layer" : "lemma",
diff --git a/src/test/resources/queries/submatch/wrapped.jsonld b/src/test/resources/queries/submatch/wrapped.jsonld
index 8bc7b0c..26c7480 100644
--- a/src/test/resources/queries/submatch/wrapped.jsonld
+++ b/src/test/resources/queries/submatch/wrapped.jsonld
@@ -2,18 +2,18 @@
   "@context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
   "collection":null,
   "query" : {
-    "@type" : "korap:reference",
+    "@type" : "koral:reference",
     "classRef" : [
       129
     ],
     "operands" : [
       {
-        "@type" : "korap:group",
+        "@type" : "koral:group",
         "distances" : [
           {
             "@type" : "cosmas:distance",
             "boundary" : {
-              "@type" : "korap:boundary",
+              "@type" : "koral:boundary",
               "max" : 0,
               "min" : 0
             },
@@ -25,14 +25,14 @@
         "inOrder" : true,
         "operands" : [
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "class" : 129,
             "classOut" : 129,
             "operands" : [
               {
-                "@type" : "korap:token",
+                "@type" : "koral:token",
                 "wrap" : {
-                  "@type" : "korap:term",
+                  "@type" : "koral:term",
                   "foundry" : "opennlp",
                   "key" : "der",
                   "layer" : "orth",
@@ -43,15 +43,15 @@
             "operation" : "operation:class"
           },
           {
-            "@type" : "korap:group",
+            "@type" : "koral:group",
             "class" : 129,
             "classOut" : 129,
             "operands" : [
               {
-                "@type" : "korap:reference",
+                "@type" : "koral:reference",
                 "operands" : [
                   {
-                    "@type" : "korap:span",
+                    "@type" : "koral:span",
                     "key" : "s"
                   }
                 ],