http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/getting_started/index.html
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diff --git a/userguide/getting_started/index.html 
b/userguide/getting_started/index.html
index 890f278..4ccd02e 100644
--- a/userguide/getting_started/index.html
+++ b/userguide/getting_started/index.html
@@ -1648,17 +1648,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="../spark/getting_started/">
+        <li class="chapter " data-level="10.1" 
data-path="../clustering/lda.html">
             
-                <a href="../spark/getting_started/">
+                <a href="../clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="../geospatial/latlon.html">
+            
+                <a href="../geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="../spark/getting_started/">
+            
+                <a href="../spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1668,12 +1712,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.1.1" 
data-path="../spark/getting_started/installation.html">
+        <li class="chapter " data-level="12.1.1" 
data-path="../spark/getting_started/installation.html">
             
                 <a href="../spark/getting_started/installation.html">
             
                     
-                        <b>10.1.1.</b>
+                        <b>12.1.1.</b>
                     
                     Installation
             
@@ -1688,12 +1732,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.2" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.2" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
@@ -1704,12 +1748,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
+        <li class="chapter " data-level="12.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
             
                 <a href="../spark/binaryclass/a9a_df.html">
             
                     
-                        <b>10.2.1.</b>
+                        <b>12.2.1.</b>
                     
                     a9a Tutorial for DataFrame
             
@@ -1724,12 +1768,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.3" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.3" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
                     Regression
             
@@ -1740,12 +1784,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="../spark/regression/e2006_df.html">
+        <li class="chapter " data-level="12.3.1" 
data-path="../spark/regression/e2006_df.html">
             
                 <a href="../spark/regression/e2006_df.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>12.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1760,12 +1804,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.4" 
data-path="../spark/misc/misc.html">
+        <li class="chapter " data-level="12.4" 
data-path="../spark/misc/misc.html">
             
                 <a href="../spark/misc/misc.html">
             
                     
-                        <b>10.4.</b>
+                        <b>12.4.</b>
                     
                     Generic features
             
@@ -1776,12 +1820,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.4.1" 
data-path="../spark/misc/topk_join.html">
+        <li class="chapter " data-level="12.4.1" 
data-path="../spark/misc/topk_join.html">
             
                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1791,6 +1835,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="../spark/misc/functions.html">
+            
+                <a href="../spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1799,16 +1858,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1818,12 +1877,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -1952,7 +2011,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/getting_started/input-format.html
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diff --git a/userguide/getting_started/input-format.html 
b/userguide/getting_started/input-format.html
index 5e6325e..1e4ebe1 100644
--- a/userguide/getting_started/input-format.html
+++ b/userguide/getting_started/input-format.html
@@ -1648,17 +1648,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="../spark/getting_started/">
+        <li class="chapter " data-level="10.1" 
data-path="../clustering/lda.html">
             
-                <a href="../spark/getting_started/">
+                <a href="../clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="../geospatial/latlon.html">
+            
+                <a href="../geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="../spark/getting_started/">
+            
+                <a href="../spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1668,12 +1712,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.1.1" 
data-path="../spark/getting_started/installation.html">
+        <li class="chapter " data-level="12.1.1" 
data-path="../spark/getting_started/installation.html">
             
                 <a href="../spark/getting_started/installation.html">
             
                     
-                        <b>10.1.1.</b>
+                        <b>12.1.1.</b>
                     
                     Installation
             
@@ -1688,12 +1732,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.2" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.2" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
@@ -1704,12 +1748,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
+        <li class="chapter " data-level="12.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
             
                 <a href="../spark/binaryclass/a9a_df.html">
             
                     
-                        <b>10.2.1.</b>
+                        <b>12.2.1.</b>
                     
                     a9a Tutorial for DataFrame
             
@@ -1724,12 +1768,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.3" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.3" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
                     Regression
             
@@ -1740,12 +1784,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="../spark/regression/e2006_df.html">
+        <li class="chapter " data-level="12.3.1" 
data-path="../spark/regression/e2006_df.html">
             
                 <a href="../spark/regression/e2006_df.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>12.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1760,12 +1804,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.4" 
data-path="../spark/misc/misc.html">
+        <li class="chapter " data-level="12.4" 
data-path="../spark/misc/misc.html">
             
                 <a href="../spark/misc/misc.html">
             
                     
-                        <b>10.4.</b>
+                        <b>12.4.</b>
                     
                     Generic features
             
@@ -1776,12 +1820,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.4.1" 
data-path="../spark/misc/topk_join.html">
+        <li class="chapter " data-level="12.4.1" 
data-path="../spark/misc/topk_join.html">
             
                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1791,6 +1835,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="../spark/misc/functions.html">
+            
+                <a href="../spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1799,16 +1858,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1818,12 +1877,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -2117,7 +2176,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/getting_started/installation.html
----------------------------------------------------------------------
diff --git a/userguide/getting_started/installation.html 
b/userguide/getting_started/installation.html
index bf59f9b..3cf09af 100644
--- a/userguide/getting_started/installation.html
+++ b/userguide/getting_started/installation.html
@@ -1648,17 +1648,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="../spark/getting_started/">
+        <li class="chapter " data-level="10.1" 
data-path="../clustering/lda.html">
             
-                <a href="../spark/getting_started/">
+                <a href="../clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="../geospatial/latlon.html">
+            
+                <a href="../geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="../spark/getting_started/">
+            
+                <a href="../spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1668,12 +1712,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.1.1" 
data-path="../spark/getting_started/installation.html">
+        <li class="chapter " data-level="12.1.1" 
data-path="../spark/getting_started/installation.html">
             
                 <a href="../spark/getting_started/installation.html">
             
                     
-                        <b>10.1.1.</b>
+                        <b>12.1.1.</b>
                     
                     Installation
             
@@ -1688,12 +1732,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.2" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.2" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
@@ -1704,12 +1748,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
+        <li class="chapter " data-level="12.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
             
                 <a href="../spark/binaryclass/a9a_df.html">
             
                     
-                        <b>10.2.1.</b>
+                        <b>12.2.1.</b>
                     
                     a9a Tutorial for DataFrame
             
@@ -1724,12 +1768,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.3" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.3" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
                     Regression
             
@@ -1740,12 +1784,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="../spark/regression/e2006_df.html">
+        <li class="chapter " data-level="12.3.1" 
data-path="../spark/regression/e2006_df.html">
             
                 <a href="../spark/regression/e2006_df.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>12.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1760,12 +1804,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.4" 
data-path="../spark/misc/misc.html">
+        <li class="chapter " data-level="12.4" 
data-path="../spark/misc/misc.html">
             
                 <a href="../spark/misc/misc.html">
             
                     
-                        <b>10.4.</b>
+                        <b>12.4.</b>
                     
                     Generic features
             
@@ -1776,12 +1820,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.4.1" 
data-path="../spark/misc/topk_join.html">
+        <li class="chapter " data-level="12.4.1" 
data-path="../spark/misc/topk_join.html">
             
                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1791,6 +1835,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="../spark/misc/functions.html">
+            
+                <a href="../spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1799,16 +1858,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1818,12 +1877,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -1898,7 +1957,8 @@
 -->
 <h1 id="prerequisites">Prerequisites</h1>
 <ul>
-<li>Hive v0.12 or later</li>
+<li>Hadoop v2.4.0 or later</li>
+<li>Hive v0.13 or later</li>
 <li>Java 7 or later</li>
 <li><a href="https://github.com/myui/hivemall/releases"; 
target="_blank">hivemall-core-xxx-with-dependencies.jar</a></li>
 <li><a href="https://github.com/myui/hivemall/releases"; 
target="_blank">define-all.hive</a></li>
@@ -1911,7 +1971,13 @@ source /home/myui/tmp/define-all.hive;
 <pre><code>$ hive
 add jar /tmp/hivemall-core-xxx-with-dependencies.jar;
 source /tmp/define-all.hive;
-</code></pre><p><div id="page-footer"><hr><!--
+</code></pre><h1 id="build-from-source">Build from Source</h1>
+<pre><code class="lang-sh">$ git <span class="hljs-built_in">clone</span> 
https://github.com/apache/incubator-hivemall.git
+$ <span class="hljs-built_in">cd</span> incubator-hivemall
+$ bin/build.sh
+</code></pre>
+<p>Then, you can find hivemall jars in <code>./target</code>.</p>
+<p><div id="page-footer"><hr><!--
   Licensed to the Apache Software Foundation (ASF) under one
   or more contributor license agreements.  See the NOTICE file
   distributed with this work for additional information
@@ -1966,7 +2032,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/getting_started/permanent-functions.html
----------------------------------------------------------------------
diff --git a/userguide/getting_started/permanent-functions.html 
b/userguide/getting_started/permanent-functions.html
index 1c259dc..7775be3 100644
--- a/userguide/getting_started/permanent-functions.html
+++ b/userguide/getting_started/permanent-functions.html
@@ -1648,17 +1648,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="../spark/getting_started/">
+        <li class="chapter " data-level="10.1" 
data-path="../clustering/lda.html">
             
-                <a href="../spark/getting_started/">
+                <a href="../clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="../geospatial/latlon.html">
+            
+                <a href="../geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="../spark/getting_started/">
+            
+                <a href="../spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1668,12 +1712,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.1.1" 
data-path="../spark/getting_started/installation.html">
+        <li class="chapter " data-level="12.1.1" 
data-path="../spark/getting_started/installation.html">
             
                 <a href="../spark/getting_started/installation.html">
             
                     
-                        <b>10.1.1.</b>
+                        <b>12.1.1.</b>
                     
                     Installation
             
@@ -1688,12 +1732,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.2" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.2" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
@@ -1704,12 +1748,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
+        <li class="chapter " data-level="12.2.1" 
data-path="../spark/binaryclass/a9a_df.html">
             
                 <a href="../spark/binaryclass/a9a_df.html">
             
                     
-                        <b>10.2.1.</b>
+                        <b>12.2.1.</b>
                     
                     a9a Tutorial for DataFrame
             
@@ -1724,12 +1768,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.3" 
data-path="../spark/binaryclass/">
+        <li class="chapter " data-level="12.3" 
data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
                     Regression
             
@@ -1740,12 +1784,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="../spark/regression/e2006_df.html">
+        <li class="chapter " data-level="12.3.1" 
data-path="../spark/regression/e2006_df.html">
             
                 <a href="../spark/regression/e2006_df.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>12.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1760,12 +1804,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.4" 
data-path="../spark/misc/misc.html">
+        <li class="chapter " data-level="12.4" 
data-path="../spark/misc/misc.html">
             
                 <a href="../spark/misc/misc.html">
             
                     
-                        <b>10.4.</b>
+                        <b>12.4.</b>
                     
                     Generic features
             
@@ -1776,12 +1820,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.4.1" 
data-path="../spark/misc/topk_join.html">
+        <li class="chapter " data-level="12.4.1" 
data-path="../spark/misc/topk_join.html">
             
                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1791,6 +1835,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="../spark/misc/functions.html">
+            
+                <a href="../spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1799,16 +1858,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1818,12 +1877,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -1984,7 +2043,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/index.html
----------------------------------------------------------------------
diff --git a/userguide/index.html b/userguide/index.html
index 87aeb23..3960d78 100644
--- a/userguide/index.html
+++ b/userguide/index.html
@@ -1646,17 +1646,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="spark/getting_started/">
+        <li class="chapter " data-level="10.1" data-path="clustering/lda.html">
             
-                <a href="spark/getting_started/">
+                <a href="clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="geospatial/latlon.html">
+            
+                <a href="geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="spark/getting_started/">
+            
+                <a href="spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1666,12 +1710,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.1.1" 
data-path="spark/getting_started/installation.html">
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data-path="spark/getting_started/installation.html">
             
                 <a href="spark/getting_started/installation.html">
             
                     
-                        <b>10.1.1.</b>
+                        <b>12.1.1.</b>
                     
                     Installation
             
@@ -1686,12 +1730,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.2" data-path="spark/binaryclass/">
+        <li class="chapter " data-level="12.2" data-path="spark/binaryclass/">
             
                 <a href="spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
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             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.2.1" 
data-path="spark/binaryclass/a9a_df.html">
+        <li class="chapter " data-level="12.2.1" 
data-path="spark/binaryclass/a9a_df.html">
             
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-                        <b>10.2.1.</b>
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                     a9a Tutorial for DataFrame
             
@@ -1722,12 +1766,12 @@
             
         </li>
     
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+        <li class="chapter " data-level="12.3" data-path="spark/binaryclass/">
             
                 <a href="spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
                     Regression
             
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             <ul class="articles">
                 
     
-        <li class="chapter " data-level="10.3.1" 
data-path="spark/regression/e2006_df.html">
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data-path="spark/regression/e2006_df.html">
             
                 <a href="spark/regression/e2006_df.html">
             
                     
-                        <b>10.3.1.</b>
+                        <b>12.3.1.</b>
                     
                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1758,12 +1802,12 @@
             
         </li>
     
-        <li class="chapter " data-level="10.4" 
data-path="spark/misc/misc.html">
+        <li class="chapter " data-level="12.4" 
data-path="spark/misc/misc.html">
             
                 <a href="spark/misc/misc.html">
             
                     
-                        <b>10.4.</b>
+                        <b>12.4.</b>
                     
                     Generic features
             
@@ -1774,12 +1818,12 @@
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-        <li class="chapter " data-level="10.4.1" 
data-path="spark/misc/topk_join.html">
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data-path="spark/misc/topk_join.html">
             
                 <a href="spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1789,6 +1833,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="spark/misc/functions.html">
+            
+                <a href="spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1797,16 +1856,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1816,12 +1875,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -1962,7 +2021,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/06c5398a/userguide/misc/generic_funcs.html
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diff --git a/userguide/misc/generic_funcs.html 
b/userguide/misc/generic_funcs.html
index 6a62079..d071bc6 100644
--- a/userguide/misc/generic_funcs.html
+++ b/userguide/misc/generic_funcs.html
@@ -1648,17 +1648,61 @@
 
     
         
-        <li class="header">Part X - Hivemall on Spark</li>
+        <li class="header">Part X - Clustering</li>
         
         
     
-        <li class="chapter " data-level="10.1" 
data-path="../spark/getting_started/">
+        <li class="chapter " data-level="10.1" 
data-path="../clustering/lda.html">
             
-                <a href="../spark/getting_started/">
+                <a href="../clustering/lda.html">
             
                     
                         <b>10.1.</b>
                     
+                    Latent Dirichlet Allocation
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XI - GeoSpatial functions</li>
+        
+        
+    
+        <li class="chapter " data-level="11.1" 
data-path="../geospatial/latlon.html">
+            
+                <a href="../geospatial/latlon.html">
+            
+                    
+                        <b>11.1.</b>
+                    
+                    Lat/Lon functions
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+    
+        
+        <li class="header">Part XII - Hivemall on Spark</li>
+        
+        
+    
+        <li class="chapter " data-level="12.1" 
data-path="../spark/getting_started/">
+            
+                <a href="../spark/getting_started/">
+            
+                    
+                        <b>12.1.</b>
+                    
                     Getting Started
             
                 </a>
@@ -1668,12 +1712,12 @@
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+                        <b>12.1.1.</b>
                     
                     Installation
             
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                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.2.</b>
+                        <b>12.2.</b>
                     
                     Binary Classification
             
@@ -1704,12 +1748,12 @@
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-                        <b>10.2.1.</b>
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@@ -1724,12 +1768,12 @@
             
         </li>
     
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data-path="../spark/binaryclass/">
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data-path="../spark/binaryclass/">
             
                 <a href="../spark/binaryclass/">
             
                     
-                        <b>10.3.</b>
+                        <b>12.3.</b>
                     
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@@ -1740,12 +1784,12 @@
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data-path="../spark/regression/e2006_df.html">
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-                        <b>10.3.1.</b>
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                     E2006-tfidf regression Tutorial for DataFrame
             
@@ -1760,12 +1804,12 @@
             
         </li>
     
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+                        <b>12.4.</b>
                     
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@@ -1776,12 +1820,12 @@
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                 <a href="../spark/misc/topk_join.html">
             
                     
-                        <b>10.4.1.</b>
+                        <b>12.4.1.</b>
                     
                     Top-k Join processing
             
@@ -1791,6 +1835,21 @@
             
         </li>
     
+        <li class="chapter " data-level="12.4.2" 
data-path="../spark/misc/functions.html">
+            
+                <a href="../spark/misc/functions.html">
+            
+                    
+                        <b>12.4.2.</b>
+                    
+                    Other utility functions
+            
+                </a>
+            
+
+            
+        </li>
+    
 
             </ul>
             
@@ -1799,16 +1858,16 @@
 
     
         
-        <li class="header">Part X - External References</li>
+        <li class="header">Part XIII - External References</li>
         
         
     
-        <li class="chapter " data-level="11.1" >
+        <li class="chapter " data-level="13.1" >
             
                 <a target="_blank" 
href="https://github.com/maropu/hivemall-spark";>
             
                     
-                        <b>11.1.</b>
+                        <b>13.1.</b>
                     
                     Hivemall on Apache Spark
             
@@ -1818,12 +1877,12 @@
             
         </li>
     
-        <li class="chapter " data-level="11.2" >
+        <li class="chapter " data-level="13.2" >
             
                 <a target="_blank" 
href="https://github.com/daijyc/hivemall/wiki/PigHome";>
             
                     
-                        <b>11.2.</b>
+                        <b>13.2.</b>
                     
                     Hivemall on Apache Pig
             
@@ -2148,7 +2207,7 @@ Apache Hivemall is an effort undergoing incubation at The 
Apache Software Founda
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