diff --git a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/CliquesWritable.java b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/CliquesWritable.java
index 69cb336..0e22ea1 100644
--- a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/CliquesWritable.java
+++ b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/CliquesWritable.java
@@ -53,13 +53,23 @@
     }
 
     /**
-     * Set the clique vertexes
+     * Add the clique vertexes
      * 
      * @param cliques
      *            the list of vertexes -- can contain multiple cliques
      */
-    public void setCliques(List<VLongWritable> cliques) {
-        this.cliques = cliques;
+    public void addCliques(CliquesWritable cliques) {
+        this.cliques.addAll(cliques.cliques);
+    }
+
+    /**
+     * Add the clique vertexes
+     * 
+     * @param cliques
+     *            the list of vertexes -- can contain multiple cliques
+     */
+    public void addCliques(List<VLongWritable> vertexes) {
+        this.cliques.addAll(vertexes);
     }
 
     /**
@@ -70,15 +80,6 @@
     }
 
     /**
-     * Get clique vertexes --- can contain multiple vertexes
-     * 
-     * @return all the vertexes
-     */
-    public List<VLongWritable> getVertexes() {
-        return cliques;
-    }
-
-    /**
      * rese the clique
      */
     public void reset() {
diff --git a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueAggregator.java b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueAggregator.java
index d75de33..061e9e0 100644
--- a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueAggregator.java
+++ b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueAggregator.java
@@ -18,7 +18,7 @@
 
     @Override
     public void init() {
-
+        state.reset();
     }
 
     @Override
@@ -38,10 +38,10 @@
             //reset the vertex state
             state.reset();
             state.setCliqueSize(cliques.getSizeOfClique());
-            state.setCliques(cliques.getVertexes());
+            state.addCliques(cliques);
         } else if (cliques.getSizeOfClique() == state.getSizeOfClique()) {
             //add the new cliques
-            state.getVertexes().addAll(cliques.getVertexes());
+            state.addCliques(cliques);
         } else {
             return;
         }
diff --git a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueVertex.java b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueVertex.java
index 2c0de14..266feb7 100644
--- a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueVertex.java
+++ b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/maximalclique/MaximalCliqueVertex.java
@@ -69,6 +69,7 @@
         invertedMap.clear();
         currentMaximalCliques.clear();
         cliques.clear();
+        tmpValue.reset();
 
         // build the initial sub graph
         while (values.hasNext()) {
@@ -121,7 +122,7 @@
             int keyIndex = invertedMap.get(srcId);
             clique.set(keyIndex);
             generateClique(clique);
-            tmpValue.setCliques(cliques);
+            tmpValue.addCliques(cliques);
             tmpValue.setCliqueSize(clique.cardinality());
         }
 
@@ -302,7 +303,6 @@
                 // only add emit for the vertexes whose id is smaller than the vertex id 
                 // to avoid the duplicate removal step,
                 // because all the resulting cliques will have vertexes in the ascending order.
-                getVertexValue().reset();
                 AdjacencyListWritable msg = new AdjacencyListWritable();
                 msg.setSource(getVertexId());
                 for (int j = i + 1; j < edges.size(); j++) {
diff --git a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/trianglecounting/TriangleCountingVertex.java b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/trianglecounting/TriangleCountingVertex.java
index ed51782..d3db095 100644
--- a/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/trianglecounting/TriangleCountingVertex.java
+++ b/pregelix/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/trianglecounting/TriangleCountingVertex.java
@@ -20,7 +20,6 @@
 import edu.uci.ics.pregelix.api.util.BspUtils;
 import edu.uci.ics.pregelix.dataflow.util.IterationUtils;
 import edu.uci.ics.pregelix.example.client.Client;
-import edu.uci.ics.pregelix.example.inputformat.TextPageRankInputFormat;
 import edu.uci.ics.pregelix.example.io.VLongWritable;
 
 /**
@@ -133,7 +132,7 @@
         PregelixJob job = new PregelixJob(TriangleCountingVertex.class.getSimpleName());
         job.setVertexClass(TriangleCountingVertex.class);
         job.setGlobalAggregatorClass(TriangleCountingAggregator.class);
-        job.setVertexInputFormatClass(TextPageRankInputFormat.class);
+        job.setVertexInputFormatClass(TextTriangleCountingInputFormat.class);
         job.setVertexOutputFormatClass(TriangleCountingVertexOutputFormat.class);
         Client.run(args, job);
         System.out.println("triangle count: " + readTriangleCountingResult(job.getConfiguration()));
diff --git a/pregelix/pregelix-example/src/test/java/edu/uci/ics/pregelix/example/jobgen/JobGenerator.java b/pregelix/pregelix-example/src/test/java/edu/uci/ics/pregelix/example/jobgen/JobGenerator.java
index b131edc..c353d84 100644
--- a/pregelix/pregelix-example/src/test/java/edu/uci/ics/pregelix/example/jobgen/JobGenerator.java
+++ b/pregelix/pregelix-example/src/test/java/edu/uci/ics/pregelix/example/jobgen/JobGenerator.java
@@ -39,6 +39,7 @@
 import edu.uci.ics.pregelix.example.maximalclique.MaximalCliqueVertex;
 import edu.uci.ics.pregelix.example.maximalclique.MaximalCliqueVertex.MaximalCliqueVertexOutputFormat;
 import edu.uci.ics.pregelix.example.maximalclique.TextMaximalCliqueInputFormat;
+import edu.uci.ics.pregelix.example.trianglecounting.TextTriangleCountingInputFormat;
 import edu.uci.ics.pregelix.example.trianglecounting.TriangleCountingAggregator;
 import edu.uci.ics.pregelix.example.trianglecounting.TriangleCountingVertex;
 import edu.uci.ics.pregelix.example.trianglecounting.TriangleCountingVertex.TriangleCountingVertexOutputFormat;
@@ -197,7 +198,7 @@
         PregelixJob job = new PregelixJob(jobName);
         job.setVertexClass(TriangleCountingVertex.class);
         job.setGlobalAggregatorClass(TriangleCountingAggregator.class);
-        job.setVertexInputFormatClass(TextPageRankInputFormat.class);
+        job.setVertexInputFormatClass(TextTriangleCountingInputFormat.class);
         job.setVertexOutputFormatClass(TriangleCountingVertexOutputFormat.class);
         FileInputFormat.setInputPaths(job, HDFS_INPUTPATH3);
         FileOutputFormat.setOutputPath(job, new Path(HDFS_OUTPUTPAH3));