diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/CollectionQuery.java b/src/main/java/de/ids_mannheim/korap/query/serialize/CollectionQuery.java
index a54cd46..e34610c 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/CollectionQuery.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/CollectionQuery.java
@@ -6,6 +6,7 @@
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.Multimap;
 import com.google.common.collect.Multiset;
+import de.ids_mannheim.korap.resource.Relation;
 import lombok.Data;
 
 import java.io.IOException;
@@ -27,10 +28,6 @@
     private Multimap<String, String> mextension;
 
 
-    public enum RELATION {
-        AND, OR
-    }
-
     public CollectionQuery() {
         this.rq = new ArrayList<>();
         this.mfilter = ArrayListMultimap.create();
@@ -60,7 +57,7 @@
         return this;
     }
 
-    public CollectionQuery addMetaFilter(String queries, RELATION rel) {
+    public CollectionQuery addMetaFilter(String queries, Relation rel) {
         this.mfilter.putAll(resRel(queries, rel));
         return this;
     }
@@ -70,15 +67,15 @@
         return this;
     }
 
-    public CollectionQuery addMetaExtend(String queries, RELATION rel) {
+    public CollectionQuery addMetaExtend(String queries, Relation rel) {
         this.mextension.putAll(resRel(queries, rel));
 
         return this;
     }
 
 
-    private List<Map> createFilter(RELATION rel) {
-        String relation = rel == RELATION.AND ? "and" : "or";
+    private List<Map> createFilter(Relation rel) {
+        String relation = rel == Relation.AND ? "and" : "or";
         List<Map> mfil = new ArrayList();
         boolean multypes = this.mfilter.keySet().size() > 1;
         String def_key = null;
@@ -103,8 +100,8 @@
         return mfil;
     }
 
-    private List<Map> createExtender(RELATION rel) {
-        String relation = rel == RELATION.AND ? "and" : "or";
+    private List<Map> createExtender(Relation rel) {
+        String relation = rel == Relation.AND ? "and" : "or";
         List<Map> mex = new ArrayList();
         boolean multypes = this.mextension.keys().size() > 1;
         String def_key = null;
@@ -127,7 +124,7 @@
         return mex;
     }
 
-    private List<Map> join(RELATION filter, RELATION extension) {
+    private List<Map> join(Relation filter, Relation extension) {
         List<Map> cursor = new ArrayList<>(this.rq);
         if (!this.mfilter.isEmpty())
             cursor.addAll(this.createFilter(filter));
@@ -212,12 +209,16 @@
         return el;
     }
 
-    public List<Map> raw(RELATION filter, RELATION extension) {
+    public List<Map> raw(Relation filter, Relation extension) {
         return join(filter, extension);
     }
 
+    public List<Map> raw() {
+        return raw(Relation.AND, Relation.AND);
+    }
 
-    public String toCollections(RELATION filter, RELATION extension) {
+
+    public String toCollections(Relation filter, Relation extension) {
         Map meta = new LinkedHashMap();
         meta.put("collections", join(filter, extension));
 
@@ -230,7 +231,7 @@
     }
 
     public String toCollections() {
-        return toCollections(RELATION.AND, RELATION.AND);
+        return toCollections(Relation.AND, Relation.AND);
     }
 
 
@@ -239,11 +240,11 @@
      *
      * @return
      */
-    public JsonNode buildNode(RELATION filter, RELATION extension) {
+    public JsonNode buildNode(Relation filter, Relation extension) {
         return serialzer.valueToTree(join(filter, extension));
     }
 
-    public String buildString(RELATION filter, RELATION extension) {
+    public String buildString(Relation filter, Relation extension) {
         try {
             return serialzer.writeValueAsString(join(filter, extension));
         } catch (JsonProcessingException e) {
@@ -261,7 +262,7 @@
      * @param queries
      * @return
      */
-    private Multimap<String, String> resRel(String queries, RELATION rel) {
+    private Multimap<String, String> resRel(String queries, Relation rel) {
         Multimap<String, String> qmap = ArrayListMultimap.create();
         String[] spl = queries.trim().split(rel.toString());
         for (String query : spl) {
@@ -323,7 +324,7 @@
 
     @Data
     private static class Group implements Value {
-        private RELATION relation;
+        private Relation relation;
         private List<Term> _terms;
 
     }
diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java b/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
index 9356b2d..ee0cac9 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
@@ -126,9 +126,10 @@
         mapper.writeValue(new File(outFile), requestMap);
     }
 
+    // change page to startindex
     public String buildQuery(String query, String ql, String collection,
                              String cli, String cri, int cls, int crs,
-                             int num, int page, boolean cutoff, String version)
+                             int num, int page, String version)
             throws QueryException {
         try {
             if (ql.toLowerCase().equals("poliqarp")) {
@@ -153,14 +154,18 @@
 
         Map<String, Object> requestMap = ast.getRequestMap();
 
+        //todo: use startindex instead
         MetaQuery meta = new MetaQuery();
         meta.addContext(cls, cli, crs, cri);
-        meta.addEntry("cutOff", cutoff);
-        meta.addEntry("startPage", page);
+//        meta.addEntry("startPage", page);
+        meta.addEntry("startIndex", page);
         meta.addEntry("count", num);
 
+        CollectionQuery qobj = new CollectionQuery();
+        qobj.addResource(collection);
+
         try {
-            requestMap.put("collections", collection);
+            requestMap.put("collections", qobj.raw());
             requestMap.put("meta", meta.raw());
             return mapper.writeValueAsString(requestMap);
         } catch (IOException e) {
diff --git a/src/test/java/MetaQuerySerializationTest.java b/src/test/java/MetaQuerySerializationTest.java
index 2f7d8c3..1995510 100644
--- a/src/test/java/MetaQuerySerializationTest.java
+++ b/src/test/java/MetaQuerySerializationTest.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.databind.JsonMappingException;
 import de.ids_mannheim.korap.query.serialize.CollectionQuery;
 import de.ids_mannheim.korap.query.serialize.QuerySerializer;
+import de.ids_mannheim.korap.resource.Relation;
 import de.ids_mannheim.korap.util.QueryException;
 import org.junit.Assert;
 import org.junit.Test;
@@ -30,9 +31,9 @@
         b.append("textClass:wissenschaft");
 //        CollectionQuery qu = new CollectionQuery().addMetaFilter(b.toString());
         CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(),
-                CollectionQuery.RELATION.AND);
-        System.out.println(query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
-        System.out.println(query.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+                Relation.AND);
+        System.out.println(query.buildString(Relation.AND, Relation.AND));
+        System.out.println(query.toCollections(Relation.AND, Relation.AND));
 //        System.out.println("value reference " + qu.stringify());
 //        System.out.println();
     }
@@ -41,7 +42,7 @@
     public void testSingle() throws IOException {
         CollectionQuery query = new CollectionQuery().addMetaFilter("textClass", "wissenschaft");
 //        System.out.println("------ TEXT SINGLE " + query.stringify());
-        System.out.println(query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        System.out.println(query.buildString(Relation.AND, Relation.AND));
     }
 
     @Test
@@ -52,10 +53,10 @@
         b.append("pubDate:<2012-04-01");
         b.append(" AND ");
         b.append("author:Goethe");
-        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), CollectionQuery.RELATION.AND);
-        System.out.println("value until/since : " + query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
-        System.out.println("meta value until/since " + query.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
-        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Goethe\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"between\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2012-04-01\"},{\"@type\":\"korap:date\",\"@value\":\"2013-04-01\"}]}]}}]", query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), Relation.AND);
+        System.out.println("value until/since : " + query.buildString(Relation.AND, Relation.AND));
+        System.out.println("meta value until/since " + query.toCollections(Relation.AND, Relation.AND));
+        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Goethe\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"between\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2012-04-01\"},{\"@type\":\"korap:date\",\"@value\":\"2013-04-01\"}]}]}}]", query.buildString(Relation.AND, Relation.AND));
 //        System.out.println();
     }
 
@@ -65,9 +66,9 @@
         b.append("pubDate:>2013-12-10");
         b.append(" AND ");
         b.append("author:Hesse");
-        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), CollectionQuery.RELATION.AND);
+        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), Relation.AND);
         System.out.println("Running date check (until) with additional attribute author");
-        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Hesse\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"until\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2013-12-10\"}]}]}}]", query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Hesse\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"until\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2013-12-10\"}]}]}}]", query.buildString(Relation.AND, Relation.AND));
 //        System.out.println("value until : " + query.stringify());
 //        System.out.println();
     }
@@ -78,13 +79,13 @@
         b.append("pubDate:<2013-12-10");
         b.append(" AND ");
         b.append("author:Kafka");
-        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), CollectionQuery.RELATION.AND);
-        System.out.println("value since : " + query.buildString(CollectionQuery.RELATION.AND,
-                CollectionQuery.RELATION.AND));
-        System.out.println("meta value since " + query.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        CollectionQuery query = new CollectionQuery().addMetaFilter(b.toString(), Relation.AND);
+        System.out.println("value since : " + query.buildString(Relation.AND,
+                Relation.AND));
+        System.out.println("meta value since " + query.toCollections(Relation.AND, Relation.AND));
 //        System.out.println();
         System.out.println("Running date check (since) with additional attribute author");
-        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Kafka\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"since\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2013-12-10\"}]}]}}]", query.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        Assert.assertEquals("[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:group\",\"relation\":\"and\",\"operands\":[{\"@type\":\"korap:term\",\"@field\":\"korap:field#author\",\"@value\":\"Kafka\"},{\"@type\":\"korap:group\",\"@field\":\"korap:field#pubDate\",\"relation\":\"since\",\"operands\":[{\"@type\":\"korap:date\",\"@value\":\"2013-12-10\"}]}]}}]", query.buildString(Relation.AND, Relation.AND));
     }
 
     @Test
@@ -127,10 +128,10 @@
         b.append("pubDate:<2013-12-10");
         b.append(" AND ");
         b.append("author:Kafka");
-        CollectionQuery q = new CollectionQuery().addMetaFilter(b.toString(), CollectionQuery.RELATION.AND);
+        CollectionQuery q = new CollectionQuery().addMetaFilter(b.toString(), Relation.AND);
         q.addMetaExtend("author", "Hesse");
 
-        System.out.println("--- ALL " + q.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        System.out.println("--- ALL " + q.buildString(Relation.AND, Relation.AND));
         System.out.println();
 
     }
@@ -141,8 +142,8 @@
         b.append("pubDate:<2013-12-10");
         b.append(" AND ");
         b.append("author:Kafka");
-        CollectionQuery q = new CollectionQuery().addMetaExtend(b.toString(), CollectionQuery.RELATION.AND);
-        System.out.println("array repres " + q.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        CollectionQuery q = new CollectionQuery().addMetaExtend(b.toString(), Relation.AND);
+        System.out.println("array repres " + q.buildString(Relation.AND, Relation.AND));
         System.out.println();
     }
 
@@ -151,8 +152,8 @@
         CollectionQuery q = new CollectionQuery().addMetaFilter("corpusID", "A00");
         q.addMetaExtend("corpusID", "A01");
 
-        System.out.println("results stringified " + q.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
-        System.out.println("results to meta" + q.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        System.out.println("results stringified " + q.buildString(Relation.AND, Relation.AND));
+        System.out.println("results to meta" + q.toCollections(Relation.AND, Relation.AND));
         System.out.println();
     }
 
@@ -167,13 +168,13 @@
         String meta = "[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:term\",\"@field\":\"korap:field#corpusID\",\"@value\":\"WPD\"}}]";
         CollectionQuery q = new CollectionQuery().addResource(meta);
         System.out.println("Testing Resource Meta data");
-        org.junit.Assert.assertEquals("{\"collections\":" + meta + "}", q.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        org.junit.Assert.assertEquals("{\"collections\":" + meta + "}", q.toCollections(Relation.AND, Relation.AND));
     }
 
     @Test
     public void testA00() throws IOException {
         CollectionQuery q = new CollectionQuery().addMetaExtend("corpusID", "A00").addMetaExtend("corpusID", "A01");
-        System.out.println("A meta: " + q.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        System.out.println("A meta: " + q.buildString(Relation.AND, Relation.AND));
         System.out.println();
     }
 
@@ -182,8 +183,8 @@
         String meta = "[{\"@type\":\"korap:meta-filter\",\"@value\":{\"@type\":\"korap:term\",\"@field\":\"korap:field#corpusID\",\"@value\":\"WPD\"}}]";
         CollectionQuery q = new CollectionQuery().addResource(meta);
         q.addMetaFilter("textClass", "wissenschaft");
-        System.out.println("stringified meta " + q.buildString(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
-        System.out.println("meta string " + q.toCollections(CollectionQuery.RELATION.AND, CollectionQuery.RELATION.AND));
+        System.out.println("stringified meta " + q.buildString(Relation.AND, Relation.AND));
+        System.out.println("meta string " + q.toCollections(Relation.AND, Relation.AND));
     }
 
 }