Some serialized collections
diff --git a/src/test/resources/collections/collection_1.jsonld b/src/test/resources/collections/collection_1.jsonld
new file mode 100644
index 0000000..b78da86
--- /dev/null
+++ b/src/test/resources/collections/collection_1.jsonld
@@ -0,0 +1,13 @@
+{
+  "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
+  "errors" : [ ],
+  "warnings" : [ ],
+  "announcements" : [ ],
+  "collection" : {
+    "@type" : "korap:doc",
+    "key" : "pubDate",
+    "type" : "type:date",
+    "value" : "2000-01-01",
+    "match" : "match:eq"
+  }
+}
\ No newline at end of file
diff --git a/src/test/resources/collections/collection_2.jsonld b/src/test/resources/collections/collection_2.jsonld
new file mode 100644
index 0000000..57c40cf
--- /dev/null
+++ b/src/test/resources/collections/collection_2.jsonld
@@ -0,0 +1,23 @@
+{
+  "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
+  "errors" : [ ],
+  "warnings" : [ ],
+  "announcements" : [ ],
+  "collection" : {
+    "@type" : "korap:docGroup",
+    "operation" : "operation:and",
+    "operands" : [ {
+      "@type" : "korap:doc",
+      "key" : "pubDate",
+      "type" : "type:date",
+      "value" : "1990",
+      "match" : "match:gt"
+    }, {
+      "@type" : "korap:doc",
+      "key" : "pubDate",
+      "type" : "type:date",
+      "value" : "2006",
+      "match" : "match:leq"
+    } ]
+  }
+}
\ No newline at end of file
diff --git a/src/test/resources/collections/collection_3.jsonld b/src/test/resources/collections/collection_3.jsonld
new file mode 100644
index 0000000..2667bcd
--- /dev/null
+++ b/src/test/resources/collections/collection_3.jsonld
@@ -0,0 +1,7 @@
+{
+  "@context" : "http://ids-mannheim.de/ns/KorAP/json-ld/v0.2/context.jsonld",
+  "errors" : [ "You used an inequation operator with a string value." ],
+  "warnings" : [ ],
+  "announcements" : [ ],
+  "collection" : { }
+}
\ No newline at end of file
diff --git a/src/test/resources/collections/readme.txt b/src/test/resources/collections/readme.txt
new file mode 100644
index 0000000..5c64025
--- /dev/null
+++ b/src/test/resources/collections/readme.txt
@@ -0,0 +1,3 @@
+Collection 1: "pubDate = 2000-01-01",
+Collection 2: "1990 < pubDate <= 2006",
+Collection 3: "author < Schmitt".