diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/CosmasTree.java b/src/main/java/de/ids_mannheim/korap/query/serialize/CosmasTree.java
index bcd51de..6aad6f2 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/CosmasTree.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/CosmasTree.java
@@ -209,14 +209,18 @@
 			// make category-specific fieldMap entry
 			String attr = nodeCat.equals("OPWF") ? "orth" : "lemma";
 			String value = node.getChild(0).toStringTree().replaceAll("\"", "");
+			if (value.startsWith("$")) {
+				value = value.substring(1);
+				fieldMap.put("caseInsensitive", true);
+			}
 			fieldMap.put("key", value);
 			fieldMap.put("layer", attr);
 			
 			// negate field (see above)
 			if (negate) {
-				fieldMap.put("match", "ne");
+				fieldMap.put("match", "match:"+"ne");
 			} else {
-				fieldMap.put("match", "eq");
+				fieldMap.put("match", "match:"+"eq");
 			}
 			//Step II: decide where to put
 			putIntoSuperObject(token, 1);
@@ -235,9 +239,9 @@
 			// make category-specific fieldMap entry
 			// negate field (see above)
 			if (negate) {
-				fieldMap.put("match", "ne");
+				fieldMap.put("match", "match:"+"ne");
 			} else {
-				fieldMap.put("match", "eq");
+				fieldMap.put("match", "match:"+"eq");
 			}
 //			List<String> morphValues = QueryUtils.parseMorph(node.getChild(0).toStringTree());
 //			System.err.println(morphValues);
@@ -327,9 +331,9 @@
 			proxSequence.put("operation", "operation:"+ "sequence");
 			objectStack.push(proxSequence);
 			stackedObjects++;
-//			if (openNodeCats.get(1).equals("OPALL")) proxSequence.put("match", "all");
-//			else if (openNodeCats.get(1).equals("OPNHIT")) proxSequence.put("match", "between");
-//			else proxSequence.put("match", "operands");
+//			if (openNodeCats.get(1).equals("OPALL")) proxSequence.put("match", "match:"+"all");
+//			else if (openNodeCats.get(1).equals("OPNHIT")) proxSequence.put("match", "match:"+"between");
+//			else proxSequence.put("match", "match:"+"operands");
 			ArrayList<Object> constraints = new ArrayList<Object>();
 			boolean exclusion = ! typ.getChild(0).toStringTree().equals("PROX"); 
 			
@@ -652,7 +656,7 @@
 		
 		if (exclnode != null) {
 			if (exclnode.getChild(0).toStringTree().equals("YES")) {
-				posgroup.put("match", "ne");
+				posgroup.put("match", "match:"+"ne");
 			}
 		}
 		if (groupnode != null) {
@@ -764,6 +768,7 @@
 				"(Der /+w1:3,s1 Mann) /+w5 geht",
 				"(Der /+w1:3,s1 Mann) /-w5 geht",
 				"(Der /+w1:3,s1 Mann) /+w5 (geht weg)",
+				"Tag der $offenen Tür"
 				};
 		CosmasTree.debug=true;
 		for (String q : queries) {
diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/PoliqarpPlusTree.java b/src/main/java/de/ids_mannheim/korap/query/serialize/PoliqarpPlusTree.java
index 7ff8729..3625562 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/PoliqarpPlusTree.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/PoliqarpPlusTree.java
@@ -461,7 +461,7 @@
 				value = valNode.getChild(0).getChild(0).toStringTree(poliqarpParser);   //e.g. (simple_query (sq_segment foo))
 			} else if (valType.equals("re_query")) {
 				value = valNode.getChild(0).toStringTree(poliqarpParser); 				//e.g. (re_query "bar*")
-				fieldMap.put("@type", "term:regex");
+				fieldMap.put("@subtype", "term:regex");
 				value = value.substring(1,value.length()-1); //remove trailing quotes
 			}
 			fieldMap.put("key", value);
@@ -473,7 +473,7 @@
 				if (fieldName.equals("base")) fieldName = "lemma";
 				fieldMap.put("layer", fieldName);
 			}
-			fieldMap.put("match", relation);
+			fieldMap.put("match", "match:"+relation);
 			// Step II: decide where to put the field map (as the only value of a token or the meta filter or as a part of a group in case of coordinated fields)
 			if (fieldStack.isEmpty()) {
 				if (!inMeta) {
@@ -496,11 +496,9 @@
 		// conj_field serves for both conjunctions and disjunctions
 		if (nodeCat.equals("conj_field")) {
 			LinkedHashMap<String,Object> group = new LinkedHashMap<String,Object>(); 
-			ArrayList<Object> groupOperands = new ArrayList<Object>();
-			group.put("@type", "korap:group");
-			group.put("operands", groupOperands);
-			fieldStack.push(groupOperands);
-			stackedFields++;
+			
+			group.put("@type", "korap:termGroup");
+			
 			// Step I: get operator (& or |)
 			ParseTree operatorNode = node.getChild(1).getChild(0);
 			String operator = QueryUtils.getNodeCat(operatorNode);
@@ -508,7 +506,11 @@
 			if (negField) {
 				relation = relation.equals("or") ? "and": "or";
 			}
-			group.put("operation", "operation:"+relation);
+			group.put("relation", relation);
+			ArrayList<Object> groupOperands = new ArrayList<Object>();
+			group.put("operands", groupOperands);
+			fieldStack.push(groupOperands);
+			stackedFields++;
 			// Step II: decide where to put the group (directly under token or in top meta filter section or embed in super group)
 			if (openNodeCats.get(1).equals("cq_segment")) {
 				tokenStack.getFirst().put("wrap", group);
@@ -549,7 +551,7 @@
 				tokenValues.put("@type", "korap:term");
 				tokenValues.put("key", word);
 				tokenValues.put("layer", "orth");
-				tokenValues.put("match", "eq");
+				tokenValues.put("match", "match:"+"eq");
 				// add token to sequence only if it is not an only child (in that case, sq_segments has already added the info and is just waiting for the values from "field")
 				if (node.getParent().getChildCount()>1) {
 					ArrayList<Object> topSequenceOperands = (ArrayList<Object>) objectStack.get(1).get("operands");
@@ -561,10 +563,10 @@
 		
 		if (nodeCat.equals("re_query")) {
 			LinkedHashMap<String,Object> reQuery = new LinkedHashMap<String,Object>();
-			reQuery.put("@subtype", "regex");
+			reQuery.put("@subtype", "term:regex");
 			String regex = node.getChild(0).toStringTree(poliqarpParser);
 			reQuery.put("key", regex);
-			reQuery.put("match", "eq");
+			reQuery.put("match", "match:"+"eq");
 			
 			// if in field, regex was already added there
 			if (!openNodeCats.get(1).equals("field")) {
@@ -770,7 +772,9 @@
 		if (nodeCat.equals("flag")) {
 			String flag = QueryUtils.getNodeCat(node.getChild(0)).substring(1); //substring removes leading slash '/'
 			// add to current token's value
-			((HashMap<String, Object>) curToken.get("wrap")).put("flag", flag);
+			if (flag.contains("i")) ((HashMap<String, Object>) curToken.get("wrap")).put("caseInsensitive", true);
+			else if (flag.contains("I")) ((HashMap<String, Object>) curToken.get("wrap")).put("caseInsensitive", false);
+			else ((HashMap<String, Object>) curToken.get("wrap")).put("flag", flag);
 		}
 		
 		if (nodeCat.equals("meta")) {
@@ -955,7 +959,8 @@
 //				"[base=foo] meta (author=name&year=2000)",
 //				"[base=foo] meta year=2000",
 				"{[base=Mann]}",
-				"shrink(1:[orth=Der]{1:[orth=Mann][orth=geht]})"
+				"shrink(1:[orth=Der]{1:[orth=Mann][orth=geht]})",
+				"[base=Mann/i]"
 		};
 		PoliqarpPlusTree.debug=true;
 		for (String q : queries) {
diff --git a/src/test/java/CosmasTreeTest.java b/src/test/java/CosmasTreeTest.java
index 1b28c5a..999b328 100644
--- a/src/test/java/CosmasTreeTest.java
+++ b/src/test/java/CosmasTreeTest.java
@@ -51,21 +51,21 @@
 	public void testSingleToken() throws QueryException {
 		query="der";
 		String single1 = 
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}";
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
 		assertEquals(single1.replaceAll(" ", ""), map.replaceAll(" ", ""));
 		
 		query="Mann";
 		String single2 = 
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}";
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
 		assertEquals(single2.replaceAll(" ", ""), map.replaceAll(" ", ""));
 		
 		query="&Mann";
 		String single3 = 
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}";
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
 		assertEquals(single3.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -80,7 +80,7 @@
 	public void testMORPH() throws QueryException {
 		query="#MORPH(V)";
 		String morph1 = 
-					"{@type=korap:token, wrap={@type=korap:term, key=V, match=eq}}";
+					"{@type=korap:token, wrap={@type=korap:term, key=V, match=match:eq}}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
 		assertEquals(morph1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -91,8 +91,8 @@
 		query="der Mann";
 		String seq1 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -101,9 +101,9 @@
 		query="der Mann schläft";
 		String seq2 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=schläft, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=schläft, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -112,10 +112,10 @@
 		query="der Mann schläft lang";
 		String seq3 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=schläft, layer=orth, match=eq}}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=lang, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=schläft, layer=orth, match=match:eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=lang, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -127,8 +127,8 @@
 		query="Sonne oder Mond";
 		String disj1 = 
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 					"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -138,10 +138,10 @@
 		String disj2 = 
 					"{@type=korap:group, operation=operation:or, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=match:eq}}" +
 						"]}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 					"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -151,12 +151,12 @@
 		String disj3 = 
 				"{@type=korap:group, operation=operation:or, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=match:eq}}" +
 						"]}," +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}";
 		ct = new CosmasTree(query);
@@ -171,10 +171,10 @@
 		String orand1 = 
 				"{@type=korap:group, operation=operation:and, operands=[" +
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 					"]}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -183,10 +183,10 @@
 		query="scheint und (Sonne oder Mond)";
 		String orand2 = 
 				"{@type=korap:group, operation=operation:and, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=scheint, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ct = new CosmasTree(query);
@@ -203,8 +203,8 @@
 							"{@type=korap:distance, key=w, min=1, max=4}" +
 						"], " +
 						"operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -222,8 +222,8 @@
 							"]}" +
 						"], " +
 						"operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -241,8 +241,8 @@
 							"]}" +
 						"], " +
 						"operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -256,8 +256,8 @@
 							"{@type=korap:distance, key=w, min=0, max=4}" +
 						"], " +
 						"operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -271,8 +271,8 @@
 							"{@type=korap:distance, key=w, min=0, max=4}" +
 						"], " +
 						"operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -294,10 +294,10 @@
 									"{@type=korap:distance, key=w, min=0, max=2}" +
 								"], " +
 								"operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}," +
-									"{@type=korap:token, wrap={@type=korap:term, key=Sterne, layer=orth, match=eq}}" +
+									"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=Sterne, layer=orth, match=match:eq}}" +
 								"]}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}" +
 						"]" +
 					"}";
 		ct = new CosmasTree(query);
@@ -313,7 +313,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:contains, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -327,7 +327,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:startswith, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -341,7 +341,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:startswith, exclude=true, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -355,7 +355,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:matches, range=all, exclude=true, grouping=false, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -372,7 +372,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:overlaps, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -386,7 +386,7 @@
 						"{@type=korap:group, operation=operation:position, frame=frame:overlaps-left, operands=[" +
 							"{@type=korap:span, key=s}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=wegen, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					"]}";
@@ -400,8 +400,8 @@
 		query="Sonne nicht Mond";
 		String opnot1 = 
 					"{@type=korap:group, operation=operation:not, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Sonne, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mond, layer=orth, match=match:eq}}" +
 					"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -421,8 +421,8 @@
 						"{@type=korap:distance, key=w, min=3, max=5}" +
 					"]," +
 					"operands = [" +
-						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ct = new CosmasTree(query);
@@ -439,11 +439,11 @@
 							"{@type=korap:distance, key=w, min=3, max=5}" +
 						"]," +
 						"operands = [" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=kommt, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=kommt, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -456,8 +456,8 @@
 						"{@type=korap:distance, key=w, min=3, max=5}" +
 					"], " +
 					"operands = [" +
-						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ct = new CosmasTree(query);
@@ -485,8 +485,8 @@
 						"{@type=korap:distance, key=w, min=1, max=10}" +
 					"], " +
 					"operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=gehen, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=voran, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=gehen, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=voran, layer=orth, match=match:eq}}" +
 					"]" +
 				"}";
 		ct = new CosmasTree(query);
@@ -503,8 +503,8 @@
 						"{@type=korap:distance, key=w, min=1, max=10}" +
 					"], " +
 					"operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=gehen, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=voran, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=gehen, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=voran, layer=orth, match=match:eq}}" +
 					"]" +
 				"}";
 		ct = new CosmasTree(query);
@@ -518,7 +518,7 @@
 		String bed1 = 
 				"{@type=korap:group, operation=operation:position, frame=frame:startswith, operands=[" +
 					"{@type=korap:span, key=s}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}" +
 				"]}";
 		ct = new CosmasTree(query);
 		map = ct.getRequestMap().get("query").toString();
@@ -529,8 +529,8 @@
 				"{@type=korap:group, operation=operation:position, frame=frame:endswith, operands=[" +
 					"{@type=korap:span, key=p}," +
 					"{@type=korap:group, operation=operation:sequence, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ct = new CosmasTree(query);
@@ -543,15 +543,15 @@
 					"{@type=korap:group, operation=operation:position, frame=frame:startswith, operands=[" +
 						"{@type=korap:span, key=s}," +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}," +
 					"{@type=korap:group, operation=operation:position, frame=frame:startswith, exclude=true, operands=[" +
 						"{@type=korap:span, key=p}," +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}" +
 				"]}";
diff --git a/src/test/java/PoliqarpPlusTreeTest.java b/src/test/java/PoliqarpPlusTreeTest.java
index 2803129..9b19447 100644
--- a/src/test/java/PoliqarpPlusTreeTest.java
+++ b/src/test/java/PoliqarpPlusTreeTest.java
@@ -49,26 +49,26 @@
 	@Test
 	public void testSingleTokens() throws QueryException {
 		// [base=Mann]
-		String token1 = "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}";
+		String token1 = "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}";
 		assertTrue(equalsQueryContent(token1, "[base=Mann]"));
 		
 		// [orth!=Frau]
-		String token2 = "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=ne}}";
+		String token2 = "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:ne}}";
 		assertTrue(equalsQueryContent(token2, "[orth!=Frau]"));
 		
 		// [!p=NN]
-		String token3 = "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=ne}}";
+		String token3 = "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:ne}}";
 		assertTrue(equalsQueryContent(token3, "[!p=NN]"));
 		
 		// [!p!=NN]
-		String token4 = "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=eq}}";
+		String token4 = "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:eq}}";
 		assertTrue(equalsQueryContent(token4, "[!p!=NN]"));
 	}
 	
 	@Test
 	public void testRegex() throws QueryException {
 		String query = "[orth=\"M(a|ä)nn(er)?\"]";
-		String re1 = "{@type=korap:token, wrap={@type=korap:term, @type=term:regex, key=M(a|ä)nn(er)?, layer=orth, match=eq}}";
+		String re1 = "{@type=korap:token, wrap={@type=korap:term, @subtype=term:regex, key=M(a|ä)nn(er)?, layer=orth, match=match:eq}}";
 		ppt = new PoliqarpPlusTree(query);
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(re1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -93,8 +93,8 @@
 				"{@type=korap:distance, key=w, min=1, max=1}" +
 			"], " +
 			"operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 			"]}";
 		ppt = new PoliqarpPlusTree("[base=der][][base=Mann]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -106,8 +106,8 @@
 				"{@type=korap:distance, key=w, min=2, max=2}" +
 			"], " +
 			"operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 			"]}";
 		ppt = new PoliqarpPlusTree("[base=der][][][base=Mann]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -119,8 +119,8 @@
 				"{@type=korap:distance, key=w, min=1, max=2}" +
 			"], " +
 			"operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 			"]}";
 		ppt = new PoliqarpPlusTree("[base=der][][]?[base=Mann]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -132,7 +132,7 @@
 			"{@type=korap:group, operation=operation:position, frame=frame:startswith, operands=[" +	
 				"{@type=korap:span, key=s}," +
 				"{@type=korap:group, operation=operation:sequence, offset-min=1, offset-max=1, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 				"]}" +
 			"]}";
 		ppt = new PoliqarpPlusTree("startswith(<s>, [][base=Mann])");
@@ -145,13 +145,13 @@
 					"{@type=korap:distance, key=w, min=2, max=5}" +
 				"], " +
 				"operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:sequence, inOrder=true, distances=[" +
 						"{@type=korap:distance, key=w, min=1, max=2}" +
 					"], " +
 					"operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=lemma, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("[base=der][]{2,5}[base=Mann][]?[][base=Frau]");
@@ -165,13 +165,13 @@
 		// [base=Mann&(cas=N|cas=A)]
 		String cof1 = 
 			"{@type=korap:token, wrap=" +
-				"{@type=korap:group, operands=[" +
-					"{@type=korap:term, key=Mann, layer=lemma, match=eq}," +
-					"{@type=korap:group, operands=[" +
-						"{@type=korap:term, key=N, layer=cas, match=eq}," +
-						"{@type=korap:term, key=A, layer=cas, match=eq}" +
-					"], operation=operation:or}" +
-				"], operation=operation:and}" +
+				"{@type=korap:termGroup, relation=and, operands=[" +
+					"{@type=korap:term, key=Mann, layer=lemma, match=match:eq}," +
+					"{@type=korap:termGroup, relation=or, operands=[" +
+						"{@type=korap:term, key=N, layer=cas, match=match:eq}," +
+						"{@type=korap:term, key=A, layer=cas, match=match:eq}" +
+					"]}" +
+				"]}" +
 			"}";
 		ppt = new PoliqarpPlusTree("[base=Mann&(cas=N|cas=A)]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -186,11 +186,11 @@
 		// [base=Mann&cas=N&gen=m]
 		String cof2 = 
 			"{@type=korap:token, wrap=" +
-				"{@type=korap:group, operands=[" +
-					"{@type=korap:term, key=Mann, layer=lemma, match=eq}," +
-					"{@type=korap:term, key=N, layer=cas, match=eq}," +
-					"{@type=korap:term, key=m, layer=gen, match=eq}" +
-				"], operation=operation:and}" +
+				"{@type=korap:termGroup, relation=and, operands=[" +
+					"{@type=korap:term, key=Mann, layer=lemma, match=match:eq}," +
+					"{@type=korap:term, key=N, layer=cas, match=match:eq}," +
+					"{@type=korap:term, key=m, layer=gen, match=match:eq}" +
+				"]}" +
 			"}";
 		ppt = new PoliqarpPlusTree("[base=Mann&cas=N&gen=m]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -201,7 +201,7 @@
 	public void testOccurrence() throws QueryException {
 		// [base=foo]*
 		String occ1 = "{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					  "], operation=operation:repetition, min=0, max=100}"; 
 		ppt = new PoliqarpPlusTree("[base=foo]*");
 		map = ppt.getRequestMap().get("query").toString();
@@ -211,9 +211,9 @@
 		String occ2 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
 					"{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					"], operation=operation:repetition, min=0, max=100 }," +
-					"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}" +
 				"]}"; 
 		ppt = new PoliqarpPlusTree("[base=foo]*[base=bar]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -222,9 +222,9 @@
 		// [base=bar][base=foo]*
 		String occ3 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
 					"{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					"], operation=operation:repetition, min=0, max=100 }" +
 				"]}"; 
 		ppt = new PoliqarpPlusTree("[base=bar][base=foo]*");
@@ -235,8 +235,8 @@
 		String occ4 = 
 				"{@type=korap:group, operands=[" +	
 					"{@type=korap:group, operation=operation:sequence, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					"]}" +
 				"], operation=operation:repetition, min=0, max=100 }" ;
 		ppt = new PoliqarpPlusTree("([base=bar][base=foo])*");
@@ -249,8 +249,8 @@
 					"{@type=korap:span, key=s}," +
 					"{@type=korap:group, operands=[" +	
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 						"]}" +
 					"], operation=operation:repetition, min=0, max=100 }" +
 				"]}" ;
@@ -265,8 +265,8 @@
 					"{@type=korap:span, key=np}," +
 					"{@type=korap:group, operands=[" +	
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 						"]}" +
 					"], operation=operation:repetition, min=0, max=100 }" +
 				"]}" ;
@@ -283,11 +283,11 @@
 					"{@type=korap:span, key=np}," +
 					"{@type=korap:group, operands=[" +	
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 						"]}" +
 					"], operation=operation:repetition, min=0, max=100 }," +
-					"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:eq}}" +
 				"]}" ;
 		ppt = new PoliqarpPlusTree("<s><np>([base=bar][base=foo])*[p=NN]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -298,11 +298,11 @@
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
 					"{@type=korap:group, operands=[" +	
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=bar, layer=lemma, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 						"]}" +
 					"], operation=operation:repetition, min=0, max=100 }," +
-					"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:eq}}" +
 				"]}" ;
 		ppt = new PoliqarpPlusTree("([base=bar][base=foo])*[p=NN]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -310,7 +310,7 @@
 		
 		// [base=foo]+
 		String occ9 = "{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					  "], operation=operation:repetition, min=1, max=100}"; 
 		ppt = new PoliqarpPlusTree("[base=foo]+");
 		map = ppt.getRequestMap().get("query").toString();
@@ -318,7 +318,7 @@
 		
 		// [base=foo]?
 		String occ10 = "{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					  "], operation=operation:repetition, min=0, max=1}"; 
 		ppt = new PoliqarpPlusTree("[base=foo]?");
 		map = ppt.getRequestMap().get("query").toString();
@@ -326,7 +326,7 @@
 		
 		// [base=foo]{2,5}
 		String occ11 = "{@type=korap:group, operands=[" +
-					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=eq}}" +
+					     "{@type=korap:token, wrap={@type=korap:term, key=foo, layer=lemma, match=match:eq}}" +
 					  "], operation=operation:repetition, min=2, max=5}"; 
 		ppt = new PoliqarpPlusTree("[base=foo]{2,5}");
 		map = ppt.getRequestMap().get("query").toString();
@@ -337,16 +337,16 @@
 	public void testTokenSequence() throws QueryException {
 		// [base=Mann][orth=Frau]
 		String seq1 = "{@type=korap:group, operation=operation:sequence, operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}, " +
-				"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}, " +
+				"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:eq}}" +
 				"]}";
 		assertTrue(equalsQueryContent(seq1, "[base=Mann][orth=Frau]"));
 		
 		// [base=Mann][orth=Frau][p=NN]
 		String seq2 = "{@type=korap:group, operation=operation:sequence, operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}, " +
-				"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=eq}}, " +
-				"{@type=korap:token, wrap={@type=korap:term, key=NN,layer=p, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}, " +
+				"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:eq}}, " +
+				"{@type=korap:token, wrap={@type=korap:term, key=NN,layer=p, match=match:eq}}" +
 				"]}";
 		assertTrue(equalsQueryContent(seq2, "[base=Mann][orth=Frau][p=NN]"));
 	}
@@ -357,10 +357,10 @@
 		String disj1 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=das, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=das, layer=lemma, match=match:eq}}" +
 					"]}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Schild, layer=lemma, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Schild, layer=lemma, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("([base=der]|[base=das])[base=Schild]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -369,10 +369,10 @@
 		// [base=Schild]([base=der]|[base=das])
 		String disj2 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Schild, layer=lemma, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Schild, layer=lemma, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=das, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=das, layer=lemma, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("[base=Schild]([base=der]|[base=das])");
@@ -384,7 +384,7 @@
 	public void testTokenElemSequence() throws QueryException {
 		// [base=Mann]<vp>
 		String seq1 = "{@type=korap:group, operation=operation:sequence, operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}, " +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}, " +
 				"{@type=korap:span, key=vp}" +
 				"]}";
 		assertTrue(equalsQueryContent(seq1, "[base=Mann]<vp>"));
@@ -392,14 +392,14 @@
 		// <vp>[base=Mann]
 		String seq2 = "{@type=korap:group, operation=operation:sequence, operands=[" +
 				"{@type=korap:span, key=vp}, "+
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}} " +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}} " +
 				"]}";
 		assertTrue(equalsQueryContent(seq2, "<vp>[base=Mann]"));
 		
 		// <vp>[base=Mann]<pp>
 		String seq3 = "{@type=korap:group, operation=operation:sequence, operands=[" +
 				"{@type=korap:span, key=vp}, "+
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}, " +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}, " +
 				"{@type=korap:span, key=pp} "+
 				"]}";
 		assertTrue(equalsQueryContent(seq3, "<vp>[base=Mann]<pp>"));
@@ -427,7 +427,7 @@
 	public void testClasses() throws QueryException {
 		// {[base=Mann]}
 		String cls1 = "{@type=korap:group, operation=operation:class, class=0, operands=[" +
-				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("{[base=Mann]}");
 		map = ppt.getRequestMap().get("query").toString();
@@ -436,19 +436,19 @@
 		// {[base=Mann][orth=Frau]}
 		String cls2 = "{@type=korap:group, operation=operation:class, class=0, operands=[" +
 				 "{@type=korap:group, operation=operation:sequence, operands=[" +
-				  "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}," +
-				  "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=eq}}" +
+				  "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}," +
+				  "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:eq}}" +
 				 "]}" +
 				"]}";
 		assertTrue(equalsQueryContent(cls2, "{[base=Mann][orth=Frau]}"));
 		
 		// [p=NN]{[base=Mann][orth=Frau]}
 		String cls3 = "{@type=korap:group, operation=operation:sequence, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=eq}}," +
+						"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:eq}}," +
 						"{@type=korap:group, operation=operation:class, class=0, operands=[" +
 							"{@type=korap:group, operation=operation:sequence, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}," +
-								"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}," +
+								"{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:eq}}" +
 							"]}" +
 						"]}" +
 					  "]}";
@@ -458,11 +458,11 @@
 		String cls4 = "{@type=korap:group, operation=operation:sequence, operands=[" +
 						"{@type=korap:group, operation=operation:class, class=0, operands=[" +
 						   "{@type=korap:group, operation=operation:sequence, operands=[" +
-						     "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}," +
-						     "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=eq}}" +
+						     "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}," +
+						     "{@type=korap:token, wrap={@type=korap:term, key=Frau, layer=orth, match=match:eq}}" +
 						   "]}" +
 						"]}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, match=match:eq}}" +
 					  "]}";
 		ppt = new PoliqarpPlusTree("{[base=Mann][orth=Frau]}[p=NN]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -472,9 +472,9 @@
 		String cls5 = "{@type=korap:group, operation=operation:class, class=2, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
 						   "{@type=korap:group, operation=operation:class, class=1, operands=[" +
-						     "{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=tt, match=eq}}" +
+						     "{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=tt, match=match:eq}}" +
 						   "]}," +
-						   "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=mate, match=eq}}" + 
+						   "{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=mate, match=match:eq}}" + 
 						"]}" +
 					  "]}";
 		ppt = new PoliqarpPlusTree("{2: {1:[tt/p=ADJA]}[mate/p=NN]}");
@@ -494,7 +494,7 @@
 		// contains(<s>,[base=Mann])
 		String pos2 = "{@type=korap:group, operation=operation:position, frame=frame:contains, operands=[" +
 				  "{@type=korap:span, key=s}," +
-				  "{@type=korap:token, wrap= {@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				  "{@type=korap:token, wrap= {@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 				"]}";
 		assertTrue(equalsQueryContent(pos2, "contains(<s>,[base=Mann])"));
 		
@@ -502,8 +502,8 @@
 		String pos3 = "{@type=korap:group, operation=operation:position, frame=frame:contains, operands=[" +
 				  	"{@type=korap:span, key=s}," +
 				  	"{@type=korap:group, operation=operation:sequence, operands=[" +
-				  		"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
-				  		"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+				  		"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
+				  		"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 				  	"]}" +
 				  "]}";
 		ppt = new PoliqarpPlusTree("contains(<s>,[orth=der][orth=Mann])");
@@ -513,10 +513,10 @@
 		// [base=Auto]contains(<s>,[base=Mann])
 		String pos4 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Auto, layer=lemma, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Auto, layer=lemma, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:position, frame=frame:contains, operands=[" +
 				  		"{@type=korap:span, key=s}," +
-				  		"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=eq}}" +
+				  		"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=lemma, match=match:eq}}" +
 				  	"]}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("[base=Auto]contains(<s>,[base=Mann])");
@@ -532,7 +532,7 @@
 				"{@type=korap:span, key=s}," +
 				"{@type=korap:group, operation=operation:position, frame=frame:startswith, operands=[" +
 					"{@type=korap:span, key=np}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}" +
 				"]}" +
 			"]}";
 		ppt = new PoliqarpPlusTree("contains(<s>, startswith(<np>,[orth=Der]))");
@@ -546,9 +546,9 @@
 		String shr1 = 
 			"{@type=korap:group, operation=operation:submatch, classRef=[0], operands=[" +
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:class, class=0, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}" +
 			"]}";
@@ -560,11 +560,11 @@
 		String shr2 = 
 			"{@type=korap:group, operation=operation:submatch, classRef=[0], operands=[" +
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:class, class=0, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=geht, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=geht, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}" +
 				"]}" +
@@ -577,11 +577,11 @@
 		String shr3 = 
 			"{@type=korap:group, operation=operation:submatch, classRef=[1], operands=[" +
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, operation=operation:class, class=1, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=geht, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=geht, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}" +
 				"]}" +
@@ -611,12 +611,12 @@
 					"{@type=korap:span, key=s}," +
 					"{@type=korap:group, operation=operation:class, class=3, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
 								"{@type=korap:group, operation=operation:sequence, operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=match:eq}}," +
 									"{@type=korap:group, operation=operation:class, class=2, operands=[" +
-										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=eq}}" +
+										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=match:eq}}" +
 									"]}" + 
 								"]}" +
 							"]}" +
@@ -635,12 +635,12 @@
 					"{@type=korap:span, key=s}," +
 					"{@type=korap:group, operation=operation:class, class=3, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
 								"{@type=korap:group, operation=operation:sequence, operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=match:eq}}," +
 									"{@type=korap:group, operation=operation:class, class=2, operands=[" +
-										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=eq}}" +
+										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=match:eq}}" +
 									"]}" + 
 								"]}" +
 							"]}" +
@@ -659,12 +659,12 @@
 					"{@type=korap:span, key=s}," +
 					"{@type=korap:group, operation=operation:class, class=3, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=der, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, operation=operation:class, class=1, operands=[" +
 								"{@type=korap:group, operation=operation:sequence, operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=ADJA, layer=p, foundry=mate, match=match:eq}}," +
 									"{@type=korap:group, operation=operation:class, class=2, operands=[" +
-										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=eq}}" +
+										"{@type=korap:token, wrap={@type=korap:term, key=NN, layer=p, foundry=tt, match=match:eq}}" +
 									"]}" + 
 								"]}" +
 							"]}" +
@@ -681,7 +681,7 @@
 	@Test
 	public void testFoundries() throws QueryException {
 		// [tt/base=Mann]
-		String layer1 = "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=base, foundry=tt, match=eq}}";
+		String layer1 = "{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=base, foundry=tt, match=match:eq}}";
 		ppt = new PoliqarpPlusTree("[tt/base=Mann]");
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(layer1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -693,9 +693,9 @@
 		// [orth=der]^[orth=Mann]
 		String align1 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, alignment=left, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 					"]}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("[orth=der]^[orth=Mann]");
@@ -706,11 +706,11 @@
 		String query = "[orth=der]^[orth=große][orth=Mann]";
 		String align1b = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=eq}}," +
+					"{@type=korap:token, wrap={@type=korap:term, key=der, layer=orth, match=match:eq}}," +
 					"{@type=korap:group, alignment=left, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=große, layer=orth, match=eq}}," +
-							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=eq}}" +
+							"{@type=korap:token, wrap={@type=korap:term, key=große, layer=orth, match=match:eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=Mann, layer=orth, match=match:eq}}" +
 						"]}" +
 					"]}" +
 				"]}";
@@ -722,12 +722,12 @@
 		String align2 = 
 				"{@type=korap:group, operation=operation:or, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, alignment=left, operands=[" +
-								"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=eq}}" +
+								"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=match:eq}}" +
 							"]}" +
 						"]}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("([base=a]^[base=b])|[base=c]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -737,15 +737,15 @@
 		String align3 = 
 				"{@type=korap:group, operation=operation:or, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, alignment=left, operands=[" +
 								"{@type=korap:group, operation=operation:sequence, operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=eq}}," +
-									"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=eq}}" +
+									"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=match:eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=match:eq}}" +
 								"]}" +
 							"]}" +
 						"]}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=d, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=d, layer=lemma, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("([base=a]^[base=b][base=c])|[base=d]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -755,17 +755,17 @@
 		String align4 = 
 				"{@type=korap:group, operation=operation:or, operands=[" +
 						"{@type=korap:group, operation=operation:sequence, operands=[" +
-							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=eq}}," +
+							"{@type=korap:token, wrap={@type=korap:term, key=a, layer=lemma, match=match:eq}}," +
 							"{@type=korap:group, alignment=left, operands=[" +
 								"{@type=korap:group, operation=operation:sequence, operands=[" +
-									"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=eq}}," +
+									"{@type=korap:token, wrap={@type=korap:term, key=b, layer=lemma, match=match:eq}}," +
 									"{@type=korap:group, alignment=left, operands=[" +
-										"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=eq}}" +
+										"{@type=korap:token, wrap={@type=korap:term, key=c, layer=lemma, match=match:eq}}" +
 									"]}" +
 								"]}" +
 							"]}" +
 						"]}," +
-						"{@type=korap:token, wrap={@type=korap:term, key=d, layer=lemma, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=d, layer=lemma, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("([base=a]^[base=b]^[base=c])|[base=d]");
 		map = ppt.getRequestMap().get("query").toString();
@@ -778,7 +778,7 @@
 	public void testSimpleQueries() throws QueryException {
 		// Baum
 		String simple1 = 
-				"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=eq}}";
+				"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=match:eq}}";
 		ppt = new PoliqarpPlusTree("Baum");
 		map = ppt.getRequestMap().get("query").toString();
 		assertEquals(simple1.replaceAll(" ", ""), map.replaceAll(" ", ""));
@@ -786,8 +786,8 @@
 		// Der Baum
 		String simple2 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}, " +
-					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}, " +
+					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("Der Baum");
 		map = ppt.getRequestMap().get("query").toString();
@@ -796,9 +796,9 @@
 		// Der große Baum
 		String simple3 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=eq}}, " +
-					"{@type=korap:token, wrap={@type=korap:term, key=große, layer=orth, match=eq}}, " +						
-					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Der, layer=orth, match=match:eq}}, " +
+					"{@type=korap:token, wrap={@type=korap:term, key=große, layer=orth, match=match:eq}}, " +						
+					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("Der große Baum");
 		map = ppt.getRequestMap().get("query").toString();
@@ -807,8 +807,8 @@
 		// Baum | Stein
 		String simple4 = 
 				"{@type=korap:group, operation=operation:or, operands=[" +
-					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=eq}}, " +						
-					"{@type=korap:token, wrap={@type=korap:term, key=Stein, layer=orth, match=eq}}" +
+					"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=match:eq}}, " +						
+					"{@type=korap:token, wrap={@type=korap:term, key=Stein, layer=orth, match=match:eq}}" +
 				"]}";
 		ppt = new PoliqarpPlusTree("Baum | Stein");
 		map = ppt.getRequestMap().get("query").toString();
@@ -819,10 +819,10 @@
 		String simple5 = 
 				"{@type=korap:group, operation=operation:sequence, operands=[" +
 					"{@type=korap:group, operation=operation:or, operands=[" +
-						"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=eq}}, " +						
-						"{@type=korap:token, wrap={@type=korap:term, key=Stein, layer=orth, match=eq}}" +
+						"{@type=korap:token, wrap={@type=korap:term, key=Baum, layer=orth, match=match:eq}}, " +						
+						"{@type=korap:token, wrap={@type=korap:term, key=Stein, layer=orth, match=match:eq}}" +
 					"]}," +
-					"{@type=korap:token, wrap={@type=korap:term, key=Haus, layer=orth, match=eq}} " +			
+					"{@type=korap:token, wrap={@type=korap:term, key=Haus, layer=orth, match=match:eq}} " +			
 				"]}";
 		ppt = new PoliqarpPlusTree(query);
 		map = ppt.getRequestMap().get("query").toString();