diff --git a/src/main/java/edu/anadolu/datasets/DataSet.java b/src/main/java/edu/anadolu/datasets/DataSet.java
index 1473189..349382d 100644
--- a/src/main/java/edu/anadolu/datasets/DataSet.java
+++ b/src/main/java/edu/anadolu/datasets/DataSet.java
@@ -3,6 +3,8 @@
 import org.clueweb09.InfoNeed;
 import org.clueweb09.tracks.Track;
 
+import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
@@ -48,7 +50,7 @@ public Path home() {
     }
 
     public Path indexesPath() {
-        return Paths.get(tfd_home, collection.toString(), "indexes");
+        return Paths.get("/indexes/TFD-HOME", collection.toString(), "indexes");
     }
 
 
diff --git a/src/main/java/edu/anadolu/ltr/DocFeatureBase.java b/src/main/java/edu/anadolu/ltr/DocFeatureBase.java
index be57bb7..8cff9c3 100644
--- a/src/main/java/edu/anadolu/ltr/DocFeatureBase.java
+++ b/src/main/java/edu/anadolu/ltr/DocFeatureBase.java
@@ -53,6 +53,11 @@ public class DocFeatureBase {
     List<String> keyword;
     List<String> description;
     List<String> hTags;
+    float[] vectorlistContent;
+    float[] vectortitle;
+    float[] vectorkeyword;
+    float[] vectordescription;
+    float[] vectorhTags;
     IndexSearcher searcher;
     IndexReader reader;
     Map<String,Integer> mapTf;
@@ -85,6 +90,13 @@ public class DocFeatureBase {
                     .map(e -> e.text())
                     .map(String::trim)
                     .filter(notEmpty).collect(Collectors.toList());
+            if(bert!=null){
+                vectorlistContent = bertVector(this.listContent);
+                vectortitle = bertVector(this.title);
+                vectorkeyword = bertVector(this.keyword);
+                vectordescription = bertVector(this.description);
+                vectorhTags = bertVector(this.hTags);
+            }
         } catch (Exception exception) {
             System.err.println("jdoc exception " + warcRecord.id());
             exception.printStackTrace();
@@ -273,14 +285,16 @@ protected double cosSim(String str1, String str2){
         return score;
     }
 
-    protected double bertSim(String str1, String str2){
-        if(str1.length()==0 || str2.length()==0) return 0;
-        float[][] embeddings = bert.embedSequences(str1,str2);
+    protected float[] bertVector(List<String> str){
+        if(str.size()==0) return null;
+        return bert.embedSequence(String.join(" ",str));
+    }
+
+    protected double bertSim(float[] vectorA, float[] vectorB){
+        if(vectorA==null || vectorB==null) return 0;
         double dotProduct = 0.0;
         double normA = 0.0;
         double normB = 0.0;
-        float[] vectorA = embeddings[0];
-        float[] vectorB = embeddings[1];
         for (int i = 0; i < vectorA.length; i++) {
             dotProduct += vectorA[i] * vectorB[i];
             normA += Math.pow(vectorA[i], 2);
diff --git a/src/main/java/edu/anadolu/ltr/SEOTool.java b/src/main/java/edu/anadolu/ltr/SEOTool.java
index ff5cc64..a35e7b4 100644
--- a/src/main/java/edu/anadolu/ltr/SEOTool.java
+++ b/src/main/java/edu/anadolu/ltr/SEOTool.java
@@ -1,5 +1,6 @@
 package edu.anadolu.ltr;
 
+import com.robrua.nlp.bert.Bert;
 import edu.anadolu.Indexer;
 import edu.anadolu.analysis.Analyzers;
 import edu.anadolu.analysis.Tag;
@@ -149,31 +150,35 @@ public void run(Properties props) throws Exception {
 
         ///////////////////////////// Index Reading for stats ///////////////////////////////////////////
         Path indexPath=null;
-        if(this.tag == null)
-            indexPath = Files.newDirectoryStream(dataset.indexesPath(), Files::isDirectory).iterator().next();
-        else {
-            try (DirectoryStream<Path> stream = Files.newDirectoryStream(dataset.indexesPath(), Files::isDirectory)) {
-                for (Path path : stream) {
-                    if(!tag.equals(path.getFileName().toString())) continue;
-                    indexPath = path;
-                }
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-
-        if(indexPath == null)
-            throw new RuntimeException(tag + " index not found");
-
-
-        this.indexTag = indexPath.getFileName().toString();
-        this.analyzerTag = Tag.tag(indexTag);
-
-        this.reader = DirectoryReader.open(FSDirectory.open(indexPath));
-
-        IndexSearcher searcher = new IndexSearcher(reader);
-        CollectionStatistics collectionStatistics = searcher.collectionStatistics(Indexer.FIELD_CONTENTS);
-
+//        if(this.tag == null)
+//            indexPath = Files.newDirectoryStream(dataset.indexesPath(), Files::isDirectory).iterator().next();
+//        else {
+//            try (DirectoryStream<Path> stream = Files.newDirectoryStream(dataset.indexesPath(), Files::isDirectory)) {
+//                for (Path path : stream) {
+//                    if(!tag.equals(path.getFileName().toString())) continue;
+//                    indexPath = path;
+//                }
+//            } catch (IOException e) {
+//                e.printStackTrace();
+//            }
+//        }
+//
+//        if(indexPath == null)
+//            throw new RuntimeException(tag + " index not found");
+//
+//
+//        this.indexTag = indexPath.getFileName().toString();
+//        this.analyzerTag = Tag.tag(indexTag);
+        this.analyzerTag = Tag.tag(tag);
+
+//        this.reader = DirectoryReader.open(FSDirectory.open(indexPath));
+
+        IndexSearcher searcher = null;
+//        IndexSearcher searcher = new IndexSearcher(reader);
+        CollectionStatistics collectionStatistics = null;
+//        CollectionStatistics collectionStatistics = searcher.collectionStatistics(Indexer.FIELD_CONTENTS);
+
+        Bert bert = null;
 
 
         List<IDocFeature> features = new ArrayList<>();
@@ -272,6 +277,7 @@ public void run(Properties props) throws Exception {
                         features.add(new SimContentTitle(type));
                         features.add(new SimTitleH(type));
                         features.add(new SimTitleKeyword(type));
+                        bert = Bert.load("com/robrua/nlp/easy-bert/bert-uncased-L-12-H-768-A-12");
                     }
                 }
             }
@@ -297,8 +303,8 @@ public void run(Properties props) throws Exception {
             features.add(new CDD());
         }
 
-        Traverser traverser = new Traverser(dataset, docsPath, docIdSet, features, collectionStatistics, analyzerTag, searcher, reader, resultsettype);
-        System.out.println("Average Doc Len = "+(double)collectionStatistics.sumTotalTermFreq()/collectionStatistics.docCount());
+        Traverser traverser = new Traverser(dataset, docsPath, docIdSet, features, collectionStatistics, analyzerTag, searcher, reader, resultsettype, bert);
+//        System.out.println("Average Doc Len = "+(double)collectionStatistics.sumTotalTermFreq()/collectionStatistics.docCount());
 
         final int numThreads = props.containsKey("numThreads") ? Integer.parseInt(props.getProperty("numThreads")) : Runtime.getRuntime().availableProcessors();
         System.out.println(numThreads + " threads are running.");
diff --git a/src/main/java/edu/anadolu/ltr/SimContentDescription.java b/src/main/java/edu/anadolu/ltr/SimContentDescription.java
index c3a1a67..2462f9c 100644
--- a/src/main/java/edu/anadolu/ltr/SimContentDescription.java
+++ b/src/main/java/edu/anadolu/ltr/SimContentDescription.java
@@ -25,7 +25,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.listContent, base.description);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.listContent),String.join(" ",base.description));
+            return base.bertSim(base.vectorlistContent,base.vectordescription);
         return base.cosSim(String.join(" ",base.listContent),String.join(" ",base.description));
     }
 }
\ No newline at end of file
diff --git a/src/main/java/edu/anadolu/ltr/SimContentH.java b/src/main/java/edu/anadolu/ltr/SimContentH.java
index 85098ee..28426bc 100644
--- a/src/main/java/edu/anadolu/ltr/SimContentH.java
+++ b/src/main/java/edu/anadolu/ltr/SimContentH.java
@@ -27,7 +27,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.listContent, base.hTags);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.listContent),String.join(" ",base.hTags));
+            return base.bertSim(base.vectorlistContent,base.vectorhTags);
         return base.cosSim(String.join(" ",base.listContent),String.join(" ",base.hTags));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimContentKeyword.java b/src/main/java/edu/anadolu/ltr/SimContentKeyword.java
index c2f806b..a932bda 100644
--- a/src/main/java/edu/anadolu/ltr/SimContentKeyword.java
+++ b/src/main/java/edu/anadolu/ltr/SimContentKeyword.java
@@ -24,7 +24,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.listContent, base.keyword);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.listContent),String.join(" ",base.keyword));
+            return base.bertSim(base.vectorlistContent,base.vectorkeyword);
         return base.cosSim(String.join(" ",base.listContent),String.join(" ",base.keyword));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimContentTitle.java b/src/main/java/edu/anadolu/ltr/SimContentTitle.java
index 122e558..4fb8b88 100644
--- a/src/main/java/edu/anadolu/ltr/SimContentTitle.java
+++ b/src/main/java/edu/anadolu/ltr/SimContentTitle.java
@@ -24,7 +24,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.listContent, base.title);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.listContent),String.join(" ",base.title));
+            return base.bertSim(base.vectorlistContent,base.vectortitle);
         return base.cosSim(String.join(" ",base.listContent),String.join(" ",base.title));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimDescriptionH.java b/src/main/java/edu/anadolu/ltr/SimDescriptionH.java
index 6d723a5..9e01227 100644
--- a/src/main/java/edu/anadolu/ltr/SimDescriptionH.java
+++ b/src/main/java/edu/anadolu/ltr/SimDescriptionH.java
@@ -27,7 +27,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.description, base.hTags);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.description),String.join(" ",base.hTags));
+            return base.bertSim(base.vectordescription,base.vectorhTags);
         return base.cosSim(String.join(" ",base.description),String.join(" ",base.hTags));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimKeywordDescription.java b/src/main/java/edu/anadolu/ltr/SimKeywordDescription.java
index 89c7591..3e323a0 100644
--- a/src/main/java/edu/anadolu/ltr/SimKeywordDescription.java
+++ b/src/main/java/edu/anadolu/ltr/SimKeywordDescription.java
@@ -24,7 +24,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.keyword, base.description);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.keyword),String.join(" ",base.description));
+            return base.bertSim(base.vectorkeyword,base.vectordescription);
         return base.cosSim(String.join(" ",base.keyword),String.join(" ",base.description));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimKeywordH.java b/src/main/java/edu/anadolu/ltr/SimKeywordH.java
index 21097e5..13fc249 100644
--- a/src/main/java/edu/anadolu/ltr/SimKeywordH.java
+++ b/src/main/java/edu/anadolu/ltr/SimKeywordH.java
@@ -26,7 +26,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.keyword, base.hTags);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.keyword),String.join(" ",base.hTags));
+            return base.bertSim(base.vectorkeyword,base.vectorhTags);
         return base.cosSim(String.join(" ",base.keyword),String.join(" ",base.hTags));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimTitleDescription.java b/src/main/java/edu/anadolu/ltr/SimTitleDescription.java
index e874dc2..831d25d 100644
--- a/src/main/java/edu/anadolu/ltr/SimTitleDescription.java
+++ b/src/main/java/edu/anadolu/ltr/SimTitleDescription.java
@@ -24,7 +24,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.title, base.description);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.title),String.join(" ",base.description));
+            return base.bertSim(base.vectortitle,base.vectordescription);
         return base.cosSim(String.join(" ",base.title),String.join(" ",base.description));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimTitleH.java b/src/main/java/edu/anadolu/ltr/SimTitleH.java
index dbe4f09..b9030ac 100644
--- a/src/main/java/edu/anadolu/ltr/SimTitleH.java
+++ b/src/main/java/edu/anadolu/ltr/SimTitleH.java
@@ -26,7 +26,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.title, base.hTags);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.title),String.join(" ",base.hTags));
+            return base.bertSim(base.vectortitle, base.vectorhTags);
         return base.cosSim(String.join(" ",base.title),String.join(" ",base.hTags));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/SimTitleKeyword.java b/src/main/java/edu/anadolu/ltr/SimTitleKeyword.java
index 3f457c6..879b649 100644
--- a/src/main/java/edu/anadolu/ltr/SimTitleKeyword.java
+++ b/src/main/java/edu/anadolu/ltr/SimTitleKeyword.java
@@ -24,7 +24,7 @@ public String toString() {
     public double calculate(DocFeatureBase base) throws IOException, NullPointerException {
 //        return base.textSimilarity(base.title, base.keyword);
         if("bert".equals(this.type))
-            return base.bertSim(String.join(" ",base.title),String.join(" ",base.keyword));
+            return base.bertSim(base.vectortitle,base.vectorkeyword);
         return base.cosSim(String.join(" ",base.title),String.join(" ",base.keyword));
     }
 }
diff --git a/src/main/java/edu/anadolu/ltr/Traverser.java b/src/main/java/edu/anadolu/ltr/Traverser.java
index 71532a4..462ecad 100644
--- a/src/main/java/edu/anadolu/ltr/Traverser.java
+++ b/src/main/java/edu/anadolu/ltr/Traverser.java
@@ -195,8 +195,9 @@ protected boolean skip(String docId) {
     private IndexSearcher searcher;
     private IndexReader reader;
     private String resultsettype;
+    private Bert bert;
 
-    Traverser(DataSet dataset, String docsDir, Set<String> docIdSet, List<IDocFeature> featureList, CollectionStatistics collectionStatistics, Tag analyzerTag, IndexSearcher searcher, IndexReader reader, String resultsettype) {
+    Traverser(DataSet dataset, String docsDir, Set<String> docIdSet, List<IDocFeature> featureList, CollectionStatistics collectionStatistics, Tag analyzerTag, IndexSearcher searcher, IndexReader reader, String resultsettype, Bert bert) {
         this.collection = dataset.collection();
         this.docIdSet = docIdSet;
         this.featureList = featureList;
@@ -205,6 +206,7 @@ protected boolean skip(String docId) {
         this.searcher = searcher;
         this.reader = reader;
         this.resultsettype=resultsettype;
+        this.bert=bert;
 
         docsPath = Paths.get(docsDir);
         if (!Files.exists(docsPath) || !Files.isReadable(docsPath) || !Files.isDirectory(docsPath)) {
@@ -218,7 +220,7 @@ protected boolean skip(String docId) {
      * Traverse based on Java8's parallel streams
      */
     void traverseParallel(Path resultPath, int numThreads) throws IOException {
-        Bert bert = Bert.load("com/robrua/nlp/easy-bert/bert-uncased-L-12-H-768-A-12");
+
 
 //        RelatednessCalculator rc1 = new WuPalmer(new NictWordNet());