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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/960b7d27/userguide/binaryclass/kdd2010b.html
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+        <li class="chapter " data-level="10.1.1" 
data-path="../spark/getting_started/installation.html">
             
-                <a href="../spark/binaryclass/a9a_df.html">
+                <a href="../spark/getting_started/installation.html">
             
                     
                         <b>10.1.1.</b>
                     
-                    a9a Tutorial for DataFrame
+                    Installation
             
                 </a>
             
@@ -1695,6 +1695,42 @@
                     
                         <b>10.2.</b>
                     
+                    Binary Classification
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="10.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
+            
+                <a href="../spark/binaryclass/a9a_df.html">
+            
+                    
+                        <b>10.2.1.</b>
+                    
+                    a9a Tutorial for DataFrame
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="10.3" 
data-path="../spark/binaryclass/">
+            
+                <a href="../spark/binaryclass/">
+            
+                    
+                        <b>10.3.</b>
+                    
                     Regression
             
                 </a>
@@ -1704,12 +1740,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="../spark/regression/e2006_df.html">
+        <li class="chapter " data-level="10.3.1" 
data-path="../spark/regression/e2006_df.html">
             
                 <a href="../spark/regression/e2006_df.html">
             
                     
-                        <b>10.2.1.</b>
+                        <b>10.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1724,12 +1760,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.3" 
data-path="../spark/misc/misc.html">
+        <li class="chapter " data-level="10.4" 
data-path="../spark/misc/misc.html">
             
                 <a href="../spark/misc/misc.html">
             
                     
-                        <b>10.3.</b>
+                        <b>10.4.</b>
                     
                     Generic features
             
@@ -1740,12 +1776,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="../spark/misc/topk_join.html">
+        <li class="chapter " data-level="10.4.1" 
data-path="../spark/misc/topk_join.html">
             
                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>10.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1992,7 +2028,7 @@ Apache Hivemall is an effort undergoing incubation at The 
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