adapted Cosmas and PQ to current JSON-LD specifications
diff --git a/src/test/java/CosmasTreeTest.java b/src/test/java/CosmasTreeTest.java
index 0d7db7a..efe86f6 100644
--- a/src/test/java/CosmasTreeTest.java
+++ b/src/test/java/CosmasTreeTest.java
@@ -26,7 +26,7 @@
 	
 	@Test
 	public void testContext() throws QueryException {
-		String contextString = "{korap=http://korap.ids-mannheim.de/ns/query, @language=de, operands={@id=korap:operands, @container=@list}, relation={@id=korap:relation, @type=korap:relation#types}, class={@id=korap:class, @type=xsd:integer}, query=korap:query, filter=korap:filter, meta=korap:meta}";
+		String contextString = "{korap=http://korap.ids-mannheim.de/ns/query, @language=de, @operands={@id=korap:operands, @container=@list}, @relation={@id=korap:relation, @type=korap:relation#types}, class={@id=korap:class, @type=xsd:integer}, query=korap:query, filter=korap:filter, meta=korap:meta}";
 		ppt = new CosmasTree("Test");
 		assertTrue(equalsContent(contextString, ppt.getRequestMap().get("@context")));
 	}
@@ -36,31 +36,31 @@
 	public void testSingleToken() throws QueryException {
 		query="der";
 		String single1 = 
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}";
+					"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(single1.replaceAll(" ", ""), map.replaceAll(" ", ""));
 		
 		query="Mann";
 		String single2 = 
-				"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}";
+				"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(single2.replaceAll(" ", ""), map.replaceAll(" ", ""));
 		
 		query="&Mann";
 		String single3 = 
-				"{@type=korap:token, @value={@type=korap:term, @value=base:Mann, relation==}}";
+				"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=lemma, @relation==}}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(single3.replaceAll(" ", ""), map.replaceAll(" ", ""));
 	}
 	
-//	@Test
+	@Test
 	public void testMORPH() throws QueryException {
 		query="#MORPH(V)";
 		String morph1 = 
-					"{@type=korap:token, @value={@type=korap:term, @value=pos:v, relation==}}";
+					"{@type=korap:token, @value={@type=korap:term, @value=V, @relation==}}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(morph1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -70,9 +70,9 @@
 	public void testSequence() throws QueryException {
 		query="der Mann";
 		String seq1 = 
-				"{@type=korap:sequence, operands=[" +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+				"{@type=korap:sequence, @operands=[" +
+					"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -80,10 +80,10 @@
 		
 		query="der Mann schläft";
 		String seq2 = 
-				"{@type=korap:sequence, operands=[" +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:schläft, relation==}}" +
+				"{@type=korap:sequence, @operands=[" +
+					"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=schläft, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -91,11 +91,11 @@
 		
 		query="der Mann schläft lang";
 		String seq3 = 
-				"{@type=korap:sequence, operands=[" +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:schläft, relation==}}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:lang, relation==}}" +
+				"{@type=korap:sequence, @operands=[" +
+					"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=schläft, @attr=orth, @relation==}}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=lang, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -106,9 +106,9 @@
 	public void testOPOR() throws QueryException {
 		query="Sonne oder Mond";
 		String disj1 = 
-					"{@type=korap:group, relation=or, operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+					"{@type=korap:group, @relation=or, @operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 					"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -116,12 +116,12 @@
 		
 		query="(Sonne scheint) oder Mond";
 		String disj2 = 
-					"{@type=korap:group, relation=or, operands=[" +
-						"{@type=korap:sequence, operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:scheint, relation==}}" +
+					"{@type=korap:group, @relation=or, @operands=[" +
+						"{@type=korap:sequence, @operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=scheint, @attr=orth, @relation==}}" +
 						"]}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 					"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -129,14 +129,14 @@
 		
 		query="(Sonne scheint) oder (Mond scheint)";
 		String disj3 = 
-				"{@type=korap:group, relation=or, operands=[" +
-						"{@type=korap:sequence, operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:scheint, relation==}}" +
+				"{@type=korap:group, @relation=or, @operands=[" +
+						"{@type=korap:sequence, @operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=scheint, @attr=orth, @relation==}}" +
 						"]}," +
-						"{@type=korap:sequence, operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:scheint, relation==}}" +
+						"{@type=korap:sequence, @operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=scheint, @attr=orth, @relation==}}" +
 						"]}" +
 					"]}";
 		ppt = new CosmasTree(query);
@@ -149,12 +149,12 @@
 	public void testOPORAND() throws QueryException {
 		query="(Sonne oder Mond) und scheint";
 		String orand1 = 
-				"{@type=korap:group, relation=and, operands=[" +
-					"{@type=korap:group, relation=or, operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+				"{@type=korap:group, @relation=and, @operands=[" +
+					"{@type=korap:group, @relation=or, @operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 					"]}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:scheint, relation==}}" +
+					"{@type=korap:token, @value={@type=korap:term, @value=scheint, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -162,11 +162,11 @@
 		
 		query="scheint und (Sonne oder Mond)";
 		String orand2 = 
-				"{@type=korap:group, relation=and, operands=[" +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:scheint, relation==}}," +
-					"{@type=korap:group, relation=or, operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+				"{@type=korap:group, @relation=and, @operands=[" +
+					"{@type=korap:token, @value={@type=korap:term, @value=scheint, @attr=orth, @relation==}}," +
+					"{@type=korap:group, @relation=or, @operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 					"]}" +
 				"]}";
 		ppt = new CosmasTree(query);
@@ -178,13 +178,13 @@
 	public void testOPPROX() throws QueryException {
 		query="Sonne /+w1:4 Mond";
 		String prox1 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-						"constraint=[" +
-							"{@type=korap:distance, measure=w, direction=plus, min=1, max=4}" +
+					"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:distance, @measure=w, @min=1, @max=4}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+						"@operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -193,17 +193,17 @@
 		
 		query="Sonne /+w1:4,s0,p1:3 Mond";
 		String prox2 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-						"constraint=[" +
-							"{@type=korap:group, relation=and, operands=[" +
-								"{@type=korap:distance, measure=w, direction=plus, min=1, max=4}," +
-								"{@type=korap:distance, measure=s, direction=both, min=0, max=0}," +
-								"{@type=korap:distance, measure=p, direction=both, min=1, max=3}" +
+					"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:group, @relation=and, @operands=[" +
+								"{@type=korap:distance, @measure=w, @min=1, @max=4}," +
+								"{@type=korap:distance, @measure=s, @min=0, @max=0}," +
+								"{@type=korap:distance, @measure=p, @min=1, @max=3}" +
 							"]}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+						"@operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -212,17 +212,17 @@
 		
 		query="Sonne %+w1:4,s0,p1:3 Mond";
 		String prox3 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=excl, " +
-						"constraint=[" +
-							"{@type=korap:group, relation=and, operands=[" +
-								"{@type=korap:distance, measure=w, direction=plus, min=1, max=4}," +
-								"{@type=korap:distance, measure=s, direction=both, min=0, max=0}," +
-								"{@type=korap:distance, measure=p, direction=both, min=1, max=3}" +
+				"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:group, @relation=and, @operands=[" +
+								"{@type=korap:distance, @measure=w, @min=1, @max=4, @exclude=true}," +
+								"{@type=korap:distance, @measure=s, @min=0, @max=0, @exclude=true}," +
+								"{@type=korap:distance, @measure=p, @min=1, @max=3, @exclude=true}" +
 							"]}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+						"@operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -231,13 +231,13 @@
 		
 		query="Sonne /+w4 Mond";
 		String prox4 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-						"constraint=[" +
-							"{@type=korap:distance, measure=w, direction=plus, min=0, max=4}" +
+					"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:distance, @measure=w, @min=0, @max=4}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+						"@operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -246,13 +246,13 @@
 		
 		query="Sonne /-w4 Mond";
 		String prox5 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-						"constraint=[" +
-							"{@type=korap:distance, measure=w, direction=plus, min=0, max=4}" +
+					"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:distance, @measure=w, @min=0, @max=4}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}" +
+						"@operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -261,23 +261,23 @@
 	}
 	
 	@Test
-	public void testNestedOPPROX() throws QueryException {	
+	public void testOPPROXNested() throws QueryException {	
 		query="Sonne /-w4 Mond /+w2 Sterne";
 		String prox6 = 
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-						"constraint=[" +
-							"{@type=korap:distance, measure=w, direction=plus, min=0, max=4}" +
+					"{@type=korap:sequence, @inOrder=true, " +
+						"@constraints=[" +
+							"{@type=korap:distance, @measure=w, @min=0, @max=4}" +
 						"], " +
-						"operands=[" +
-							"{@type=korap:group, relation=distance, match=operands, @subtype=incl, " +
-								"constraint=[" +
-									"{@type=korap:distance, measure=w, direction=plus, min=0, max=2}" +
+						"@operands=[" +
+							"{@type=korap:sequence, @inOrder=true, " +
+								"@constraints=[" +
+									"{@type=korap:distance, @measure=w, @min=0, @max=2}" +
 								"], " +
-								"operands=[" +
-									"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}," +
-									"{@type=korap:token, @value={@type=korap:term, @value=orth:Sterne, relation==}}" +
+								"@operands=[" +
+									"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}," +
+									"{@type=korap:token, @value={@type=korap:term, @value=Sterne, @attr=orth, @relation==}}" +
 								"]}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}" +
+							"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}" +
 						"]" +
 					"}";
 		ppt = new CosmasTree(query);
@@ -289,11 +289,11 @@
 	public void testOPIN() throws QueryException {
 		query="wegen #IN <s>";
 		String opin1 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=position, position=contains, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=position, @position=contains, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -303,11 +303,11 @@
 		
 		query="wegen #IN(L) <s>";
 		String opin2 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=position, position=startswith, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=position, @position=startswith, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -317,11 +317,11 @@
 		
 		query="wegen #IN(%, L) <s>";
 		String opin3 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=position, position=startswith, @subtype=excl, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=position, @position=startswith, @exclude=true, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -331,11 +331,11 @@
 		
 		query="wegen #IN('FE,ALL,%,MIN') <s>";
 		String opin4 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=position, position=ident, range=all, @subtype=excl, grouping=false, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=position, @position=ident, range=all, @exclude=true, grouping=false, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -348,11 +348,11 @@
 	public void testOPOV() throws QueryException {
 		query="wegen #OV <s>";
 		String opov1 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=overlap, position=any, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=overlaps, @position=any, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -362,11 +362,11 @@
 		
 		query="wegen #OV(L) <s>";
 		String opov2 = 
-					"{@type=korap:group, relation=shrink, shrink=1, operands=[" +
-						"{@type=korap:group, relation=overlap, position=startswith, operands=[" +
-							"{@type=korap:element, @value=s}," +
-							"{@type=korap:group, class=1, operands=[" +
-								"{@type=korap:token, @value={@type=korap:term, @value=orth:wegen, relation==}}" +
+					"{@type=korap:group, @relation=submatch, @classRef=1, @operands=[" +
+						"{@type=korap:group, @relation=overlaps, @position=startswith, @operands=[" +
+							"{@type=korap:span, @value=s}," +
+							"{@type=korap:group, class=1, @operands=[" +
+								"{@type=korap:token, @value={@type=korap:term, @value=wegen, @attr=orth, @relation==}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -379,9 +379,9 @@
 	public void testOPNOT() throws QueryException {
 		query="Sonne nicht Mond";
 		String opnot1 = 
-					"{@type=korap:group, relation=not, operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Sonne, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mond, relation==}}" +
+					"{@type=korap:group, @relation=not, @operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=Sonne, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mond, @attr=orth, @relation==}}" +
 					"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -396,13 +396,13 @@
 		// http://www.ids-mannheim.de/cosmas2/web-app/hilfe/suchanfrage/eingabe-zeile/thematische-bsp/bsp-satzlaenge.html
 		query="#BEG(der /w3:5 Mann)";
 		String beg1 = 
-				"{@type=korap:group, relation=shrink, shrink=first, operands=[" +
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, constraint=[" +
-						"{@type=korap:distance, measure=w, direction=both, min=3, max=5}" +
+				"{@type=korap:group, @relation=submatch, @spanRef=[0,1], @operands=[" +
+					"{@type=korap:sequence, @inOrder=false, @constraints=[" +
+						"{@type=korap:distance, @measure=w, @min=3, @max=5}" +
 					"]," +
-					"operands = [" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+					"@operands = [" +
+						"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 					"]}" +
 				"]}";
 		ppt = new CosmasTree(query);
@@ -411,19 +411,19 @@
 		
 		query="#BEG(der /w3:5 Mann) /+w10 kommt"; // nesting #BEG() in a distance group
 		String beg2 = 
-				"{@type=korap:group, relation=distance, match=operands, @subtype=incl, constraint=[" +
-					"{@type=korap:distance, measure=w, direction=plus, min=0, max=10}" +
-				"], operands=[" +
-					"{@type=korap:group, relation=shrink, shrink=first, operands=[" +
-						"{@type=korap:group, relation=distance, match=operands, @subtype=incl, constraint=[" +
-							"{@type=korap:distance, measure=w, direction=both, min=3, max=5}" +
+				"{@type=korap:sequence, @inOrder=true, @constraints=[" +
+					"{@type=korap:distance, @measure=w, @min=0, @max=10}" +
+				"], @operands=[" +
+					"{@type=korap:group, @relation=submatch, @spanRef=[0,1], @operands=[" +
+						"{@type=korap:sequence, @inOrder=false, @constraints=[" +
+							"{@type=korap:distance, @measure=w, @min=3, @max=5}" +
 						"]," +
-						"operands = [" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+						"@operands = [" +
+							"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 						"]}" +
 					"]}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:kommt, relation==}}" +
+					"{@type=korap:token, @value={@type=korap:term, @value=kommt, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -431,13 +431,13 @@
 		
 		query="#END(der /w3:5 Mann)";
 		String end1 = 
-				"{@type=korap:group, relation=shrink, shrink=last, operands=[" +
-					"{@type=korap:group, relation=distance, match=operands, @subtype=incl, constraint=[" +
-						"{@type=korap:distance, measure=w, direction=both, min=3, max=5}" +
-					"]," +
-					"operands = [" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+				"{@type=korap:group, @relation=submatch, @spanRef=[-1,1], @operands=[" +
+					"{@type=korap:sequence, @inOrder=false, @constraints=[" +
+						"{@type=korap:distance, @measure=w, @min=3, @max=5}" +
+					"], " +
+					"@operands = [" +
+						"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 					"]}" +
 				"]}";
 		ppt = new CosmasTree(query);
@@ -450,7 +450,7 @@
 	public void testELEM() throws QueryException {
 		// http://www.ids-mannheim.de/cosmas2/web-app/hilfe/suchanfrage/eingabe-zeile/syntax/elem.html
 		query="#ELEM(S)";
-		String elem1 = "{@type=korap:element, @value=s}";
+		String elem1 = "{@type=korap:span, @value=s}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(elem1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -460,13 +460,13 @@
 	public void testOPALL() throws QueryException {
 		query="#ALL(gehen /w1:10 voran)";
 		String all1 =
-				"{@type=korap:group, relation=distance, match=all, @subtype=incl, " +
-					"constraint=[" +
-						"{@type=korap:distance, measure=w, direction=both, min=1, max=10}" +
+				"{@type=korap:sequence, @inOrder=false, " +
+					"@constraints=[" +
+						"{@type=korap:distance, @measure=w, @min=1, @max=10}" +
 					"], " +
-					"operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:gehen, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:voran, relation==}}" +
+					"@operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=gehen, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=voran, @attr=orth, @relation==}}" +
 					"]" +
 				"}";
 		ppt = new CosmasTree(query);
@@ -478,13 +478,13 @@
 	public void testOPNHIT() throws QueryException {
 		query="#NHIT(gehen /w1:10 voran)";
 		String nhit1 = 
-				"{@type=korap:group, relation=distance, match=between, @subtype=incl, " +
-					"constraint=[" +
-						"{@type=korap:distance, measure=w, direction=both, min=1, max=10}" +
+				"{@type=korap:sequence, @inOrder=false, " +
+					"@constraints=[" +
+						"{@type=korap:distance, @measure=w, @min=1, @max=10}" +
 					"], " +
-					"operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:gehen, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:voran, relation==}}" +
+					"@operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=gehen, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=voran, @attr=orth, @relation==}}" +
 					"]" +
 				"}";
 		ppt = new CosmasTree(query);
@@ -496,9 +496,9 @@
 	public void testOPBED() throws QueryException {
 		query = "#BED(der , sa)";
 		String bed1 = 
-				"{@type=korap:group, relation=position, position=startswith, operands=[" +
-					"{@type=korap:element, @value=s}," +
-					"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}" +
+				"{@type=korap:group, @relation=position, @position=startswith, @operands=[" +
+					"{@type=korap:span, @value=s}," +
+					"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}" +
 				"]}";
 		ppt = new CosmasTree(query);
 		map = ppt.getRequestMap().get("query").toString();
@@ -506,11 +506,11 @@
 		
 		query = "#BED(der Mann , +pe)";
 		String bed2 = 
-				"{@type=korap:group, relation=position, position=endswith, operands=[" +
-					"{@type=korap:element, @value=p}," +
-					"{@type=korap:sequence, operands=[" +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-						"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+				"{@type=korap:group, @relation=position, @position=endswith, @operands=[" +
+					"{@type=korap:span, @value=p}," +
+					"{@type=korap:sequence, @operands=[" +
+						"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+						"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 					"]}" +
 				"]}";
 		ppt = new CosmasTree(query);
@@ -519,19 +519,19 @@
 		
 		query = "#BED(der Mann , sa,-pa)";
 		String bed3 = 
-				"{@type=korap:group, relation=and, operands=[" +
-					"{@type=korap:group, relation=position, position=startswith, operands=[" +
-						"{@type=korap:element, @value=s}," +
-						"{@type=korap:sequence, operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+				"{@type=korap:group, @relation=and, @operands=[" +
+					"{@type=korap:group, @relation=position, @position=startswith, @operands=[" +
+						"{@type=korap:span, @value=s}," +
+						"{@type=korap:sequence, @operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 						"]}" +
 					"]}," +
-					"{@type=korap:group, relation=position, position=startswith, @subtype=excl, operands=[" +
-						"{@type=korap:element, @value=p}," +
-						"{@type=korap:sequence, operands=[" +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:der, relation==}}," +
-							"{@type=korap:token, @value={@type=korap:term, @value=orth:Mann, relation==}}" +
+					"{@type=korap:group, @relation=position, @position=startswith, @exclude=true, @operands=[" +
+						"{@type=korap:span, @value=p}," +
+						"{@type=korap:sequence, @operands=[" +
+							"{@type=korap:token, @value={@type=korap:term, @value=der, @attr=orth, @relation==}}," +
+							"{@type=korap:token, @value={@type=korap:term, @value=Mann, @attr=orth, @relation==}}" +
 						"]}" +
 					"]}" +
 				"]}";