diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 3c9101d..80e769b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,14 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="bbbbc773-7714-4942-be21-383885d0c5dc" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__commons_cli_commons_cli_1_3_1.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/EntityAnnotation.iml" beforeDir="false" afterPath="$PROJECT_DIR$/EntityAnnotation.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/serialized/kevin.ser" beforeDir="false" afterPath="$PROJECT_DIR$/serialized/kevin.ser" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/AnnotatorFactory.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ner/annotation/AnnotatorFactory.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/test_urls.csv" beforeDir="false" afterPath="$PROJECT_DIR$/test_urls.csv" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <ignored path="$PROJECT_DIR$/target/" />
@@ -36,11 +31,11 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="HTMLDocumentIngestionManager.java" pinned="false" current-in-tab="true">
+      <file leaf-file-name="HTMLDocumentIngestionManager.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="261">
-              <caret line="285" column="77" selection-start-line="285" selection-start-column="77" selection-end-line="285" selection-end-column="77" />
+            <state relative-caret-position="172">
+              <caret line="286" lean-forward="true" selection-start-line="286" selection-end-line="286" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -78,7 +73,7 @@
       <file leaf-file-name="ESAnnotatedHTMLDocument.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/ESAnnotatedHTMLDocument.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1020">
+            <state relative-caret-position="380">
               <caret line="83" column="25" selection-start-line="83" selection-start-column="25" selection-end-line="83" selection-end-column="25" />
               <folding>
                 <element signature="imports" expanded="true" />
@@ -98,11 +93,11 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="TestReadObject.java" pinned="false" current-in-tab="false">
+      <file leaf-file-name="TestReadObject.java" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="435">
-              <caret line="29" column="71" selection-start-line="29" selection-start-column="71" selection-end-line="29" selection-end-column="71" />
+            <state relative-caret-position="125">
+              <caret line="16" column="51" selection-start-line="16" selection-start-column="51" selection-end-line="16" selection-end-column="51" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -229,9 +224,9 @@
         <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/AnnotatorFactory.java" />
         <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/ESAnnotatedHTMLDocument.java" />
         <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ner/annotation/AnnotatorFactory.java" />
-        <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java" />
         <option value="$PROJECT_DIR$/pom.xml" />
         <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java" />
+        <option value="$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java" />
       </list>
     </option>
   </component>
@@ -367,7 +362,7 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="Application.TestSelenium">
+  <component name="RunManager" selected="Application.TestReadObject">
     <configuration name="BasicPipelineExample" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
       <option name="MAIN_CLASS_NAME" value="org.forward.entitysearch.experiment.BasicPipelineExample" />
       <module name="EntityAnnotation" />
@@ -432,8 +427,8 @@
     </list>
     <recent_temporary>
       <list>
-        <item itemvalue="Application.TestSelenium" />
         <item itemvalue="Application.TestReadObject" />
+        <item itemvalue="Application.TestSelenium" />
         <item itemvalue="Application.BasicPipelineExample" />
         <item itemvalue="Application.PipelineHelper" />
         <item itemvalue="Application.TestRegex" />
@@ -459,12 +454,12 @@
       <workItem from="1526678891338" duration="5160000" />
       <workItem from="1526698295267" duration="21787000" />
       <workItem from="1526919640549" duration="22246000" />
-      <workItem from="1527016798854" duration="14479000" />
+      <workItem from="1527016798854" duration="16268000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="242494000" />
+    <option name="totallyTimeSpent" value="244283000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="6" y="23" width="1421" height="839" extended-state="0" />
@@ -882,18 +877,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/ESAnnotatedHTMLDocument.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1020">
-          <caret line="83" column="25" selection-start-line="83" selection-start-column="25" selection-end-line="83" selection-end-column="25" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="e#2226#2227#0" expanded="true" />
-            <element signature="e#2260#2261#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="jar://$MAVEN_REPOSITORY$/edu/stanford/nlp/stanford-corenlp/3.8.0/stanford-corenlp-3.8.0-sources.jar!/edu/stanford/nlp/process/PTBTokenizer.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="4710">
@@ -915,41 +898,53 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ner/annotation/AnnotatorFactory.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/edu/stanford/nlp/ling/CustomizableCoreAnnotations.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="60">
-          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
+        <state relative-caret-position="337">
+          <caret line="66" column="36" selection-start-line="66" selection-start-column="36" selection-end-line="66" selection-end-column="36" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java">
+    <entry file="file://$PROJECT_DIR$/pom.xml">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="435">
-          <caret line="29" column="71" selection-start-line="29" selection-start-column="71" selection-end-line="29" selection-end-column="71" />
+        <state relative-caret-position="339">
+          <caret line="73" column="27" selection-start-line="73" selection-start-column="27" selection-end-line="73" selection-end-column="27" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/ESAnnotatedHTMLDocument.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="380">
+          <caret line="83" column="25" selection-start-line="83" selection-start-column="25" selection-end-line="83" selection-end-column="25" />
           <folding>
             <element signature="imports" expanded="true" />
+            <element signature="e#2226#2227#0" expanded="true" />
+            <element signature="e#2260#2261#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/edu/stanford/nlp/ling/CustomizableCoreAnnotations.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ner/annotation/AnnotatorFactory.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="337">
-          <caret line="66" column="36" selection-start-line="66" selection-start-column="36" selection-end-line="66" selection-end-column="36" />
+        <state relative-caret-position="60">
+          <caret line="8" column="13" selection-start-line="8" selection-start-column="13" selection-end-line="8" selection-end-column="13" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/pom.xml">
+    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="339">
-          <caret line="73" column="27" selection-start-line="73" selection-start-column="27" selection-end-line="73" selection-end-column="27" />
+        <state relative-caret-position="172">
+          <caret line="286" lean-forward="true" selection-start-line="286" selection-end-line="286" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="261">
-          <caret line="285" column="77" selection-start-line="285" selection-start-column="77" selection-end-line="285" selection-end-column="77" />
+        <state relative-caret-position="125">
+          <caret line="16" column="51" selection-start-line="16" selection-start-column="51" selection-end-line="16" selection-end-column="51" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
diff --git a/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java b/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java
index a520fbe..ad3982d 100644
--- a/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java
+++ b/src/main/java/org/forward/entitysearch/experiment/TestReadObject.java
@@ -14,13 +14,14 @@ public static void main (String[] args) {
         FileInputStream fin = null;
         ObjectInputStream ois = null;
         try {
-            fin = new FileInputStream("serialized/kevin.ser");
+            fin = new FileInputStream("serialized/2.ser");
             ois = new ObjectInputStream(fin);
             doc = (ESAnnotatedHTMLDocument) ois.readObject();
         } catch (Exception e) {
             e.printStackTrace();
         }
         if (doc != null) {
+            System.out.println(doc.getTitle());
             System.out.println(doc.get(CoreAnnotations.TokensAnnotation.class).size());
             for (CoreLabel token : doc.get(CoreAnnotations.TokensAnnotation.class)) {
                 System.out.println(token.word() + " " + token.ner() + " " +
diff --git a/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java b/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java
index bbfdc88..13b0fd9 100644
--- a/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java
+++ b/src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java
@@ -266,12 +266,6 @@ public static void main(String[] args) {
         long time = System.currentTimeMillis();
         long start = time;
 
-        WebDriver driver = createChromeDriver();
-//        System.out.println(getAllTextWithLayout(driver,baseUrl));
-        time = System.currentTimeMillis();
-        System.out.println("Finish loading web driver " + (time-start)/1000 + " seconds");
-        start = time;
-
         AnnotatorFactory.getInstance().getAnnotationPipeline();
         time = System.currentTimeMillis();
         System.out.println("Finish loading the default annotation pipeline " + (time-start)/1000 + " seconds");
@@ -291,11 +285,22 @@ public static void main(String[] args) {
 
             System.out.println(i + "\t" +  baseUrl);
 
+            WebDriver driver = createChromeDriver();
+//        System.out.println(getAllTextWithLayout(driver,baseUrl));
+            time = System.currentTimeMillis();
+            System.out.println("Finish loading web driver " + (time-start)/1000 + " seconds");
+            start = time;
+
             ESAnnotatedHTMLDocument document = getHTMLDocumentForAnnotation(baseUrl, driver);
             time = System.currentTimeMillis();
             System.out.println("Finish creating document for annotation " + (time-start)/1000 + " seconds");
             start = time;
 
+            if (document.get(CoreAnnotations.TokensAnnotation.class).size() <= 1) {
+                System.err.println("This URL is probably not a web page " + document.getURL());
+                continue;
+            }
+
             AnnotatorFactory.getInstance().getAnnotationPipeline().annotate(document);
             time = System.currentTimeMillis();
             System.out.println("Finish annotation " + (time-start)/1000 + " seconds");
@@ -324,9 +329,10 @@ public static void main(String[] args) {
                 printAnnotatedDocument(document);
                 PipelineHelper.printAnnotatedDocument(document, fields);
             }
+
+            driver.close();
         }
 
-        driver.close();
 
 //        time = System.currentTimeMillis();
 //        start = time;
diff --git a/test_urls.csv b/test_urls.csv
index a96ef23..d45c627 100644
--- a/test_urls.csv
+++ b/test_urls.csv
@@ -1,2 +1,3 @@
 0	http://www.forwarddatalab.org/kevinchang
 1	http://www.forwarddatalab.org/research
+2	https://relate.cs.illinois.edu/course/zuics101fa16/f/lectures/lec05.ipynb