diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java
new file mode 100644
index 0000000..16383c3
--- /dev/null
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifier.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+
+public class ConjunctiveListEditDistanceSearchModifier extends ListEditDistanceSearchModifier {
+
+    public ConjunctiveListEditDistanceSearchModifier(int edThresh) {
+        super(edThresh);
+    }
+
+    @Override
+    public short getNumTokensLowerBound(short numQueryTokens) {
+        return -1;
+    }
+
+    @Override
+    public short getNumTokensUpperBound(short numQueryTokens) {
+        return -1;
+    }
+    
+    @Override
+    public String toString() {
+        return "Conjunctive List Edit Distance Search Modifier, Threshold: " + edThresh;
+    }
+}
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java
new file mode 100644
index 0000000..410fb92
--- /dev/null
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ConjunctiveListEditDistanceSearchModifierFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search;
+
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+
+public class ConjunctiveListEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
+
+    private static final long serialVersionUID = 1L;
+
+    private final int edThresh;
+
+    public ConjunctiveListEditDistanceSearchModifierFactory(int edThresh) {
+        this.edThresh = edThresh;
+    }
+
+    @Override
+    public IInvertedIndexSearchModifier createSearchModifier() {
+        return new ConjunctiveListEditDistanceSearchModifier(edThresh);
+    }
+}
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
index 1b26639..2f6a07f 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/search/ListEditDistanceSearchModifier.java
@@ -19,7 +19,7 @@
 
 public class ListEditDistanceSearchModifier implements IInvertedIndexSearchModifier {
 
-    private int edThresh;
+    protected int edThresh;
 
     public ListEditDistanceSearchModifier(int edThresh) {
         this.edThresh = edThresh;
@@ -52,4 +52,9 @@
     public short getNumTokensUpperBound(short numQueryTokens) {
         return (short) (numQueryTokens + edThresh);
     }
+    
+    @Override
+    public String toString() {
+        return "List Edit Distance Search Modifier, Threshold: " + edThresh;
+    }
 }