http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/452034c1/gallery/templates.yaml
----------------------------------------------------------------------
diff --git a/gallery/templates.yaml b/gallery/templates.yaml
index 4642bf6..3c607c3 100644
--- a/gallery/templates.yaml
+++ b/gallery/templates.yaml
@@ -125,7 +125,7 @@
     status: stable
     pio_min_version: 0.10.0-incubating
     apache_pio_convesion_required: "already compatible"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: E-Commerce Recommendation
@@ -146,7 +146,7 @@
     status: alpha
     pio_min_version: 0.10.0-incubating
     apache_pio_convesion_required: "already compatible"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: Similar Product
@@ -160,7 +160,7 @@
     status: stable
     pio_min_version: 0.10.0-incubating
     apache_pio_convesion_required: "already compatible"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: E-Commerce Recommendation (Java)
@@ -181,7 +181,7 @@
     status: alpha
     pio_min_version: 0.9.3
     apache_pio_convesion_required: "requires conversion"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: Product Ranking
@@ -293,7 +293,7 @@
     status: stable
     pio_min_version: 0.9.2
     apache_pio_convesion_required: "already compatible"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: Classification
@@ -683,7 +683,7 @@
     status: stable
     pio_min_version: 0.9.2
     apache_pio_convesion_required: "already compatible"
-    support_link: '<a 
href="http://predictionio.incubator.apache.org/support/";>Apache PredictionIO 
mailing lists</a>'
+    support_link: '<a href="http://predictionio.apache.org/support/";>Apache 
PredictionIO mailing lists</a>'
 
 - template:
     name: Linear Regression BFGS

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/452034c1/github/index.html.gz
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index 2bdf00a..a899247 100644
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http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/452034c1/index.html
----------------------------------------------------------------------
diff --git a/index.html b/index.html
index 5a27eb6..6a8e71e 100644
--- a/index.html
+++ b/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Welcome to Apache PredictionIO™ 
(incubating)!</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" 
http-equiv="X-UA-Compatible"/><meta name="viewport" 
content="width=device-width, initial-scale=1.0"/><meta class="swiftype" 
name="title" data-type="string" content="Welcome to Apache PredictionIO™ 
(incubating)!"/><meta name="description" content="Apache PredictionIO™ 
(incubating) Open Source Machine Learning Server"/><meta class="swiftype" 
name="body" data-type="text" content="Apache PredictionIO™ (incubating) Open 
Source Machine Learning Server"/><link rel="canonical" 
href="https://predictionio.incubator.apache.org/"/><link 
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href="/stylesheets/application-eccfc6cb.css" rel="stylesheet" 
type="text/css"/><script 
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true });}catch(e){}</script></head><body><div id="global"><header><div 
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alt="PredictionIO" id="logo" 
src="/images/logos/logo-ee2b9bb3.png"/></a><span>™</span></div><div 
id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" 
href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" 
href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a><
 /div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" 
src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div 
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col-xs-11"><div class="hidden-md hidden-lg" 
id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Welcome to Apache 
PredictionIO (incubating)</h4></div><h4 class="hidden-sm 
hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 
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src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img 
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hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div 
class="row"><div id="left-menu-wrapper" class="col-md-3"><nav 
id="nav-main"><ul><li class="level-1"><a class="expandible active" 
href="/"><span>Apache PredictionIO™ (incubating) 
Documentation</span></a><ul><li class="level-2"><a class="final active" 
href="/"><span>Welcome to Apache PredictionIO 
(incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Started</span></a><ul><li class="level-2"><a 
class="final" href="/start/"><span>A Quick Intro</span></a></li><li 
class="level-2"><a class="final" href="/install/"><span>Installing Apache 
PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template<
 /span></a></li><li class="level-2"><a class="final" 
href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li 
class="level-2"><a class="final" href="/start/customize/"><span>Customizing the 
Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a 
class="final" href="/appintegration/"><span>App Integration 
Overview</span></a></li><li class="level-2"><a class="expandible" 
href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a 
class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/php/"><span>PHP 
SDK</span></a></li><li class="level-3"><a class="final" 
href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered 
SDKs</span></a></li></ul></li>
 </ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying 
an Engine</span></a><ul><li class="level-2"><a class="final" 
href="/deploy/"><span>Deploying as a Web Service</span></a></li><li 
class="level-2"><a class="final" href="/batchpredict/"><span>Batch 
Predictions</span></a></li><li class="level-2"><a class="final" 
href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li 
class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting 
Engine Parameters</span></a></li><li class="level-2"><a class="final" 
href="/deploy/enginevariants/"><span>Deploying Multiple Engine 
Variants</span></a></li><li class="level-2"><a class="final" 
href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/">
 <span>Implement DASE</span></a></li><li class="level-2"><a class="final" 
href="/customize/troubleshooting/"><span>Troubleshooting Engine 
Development</span></a></li><li class="level-2"><a class="final" 
href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Collecting and Analyzing Data</span></a><ul><li 
class="level-2"><a class="final" href="/datacollection/"><span>Event Server 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" href="/datacoll
 ection/batchimport/"><span>Importing Data in Batch</span></a></li><li 
class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using 
Analytics Tools</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/plugin/"><span>Event Server 
Plugin</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a 
class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/eval
 uation/"><span>Overview</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li 
class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricchoose/"><span>Choosing Evaluation 
Metrics</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricbuild/"><span>Building Evaluation 
Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>System Architecture</span></a><ul><li class="level-2"><a 
class="final" href="/system/"><span>Architecture Overview</span></a></li><li 
class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using 
Another Data Store</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>PredictionIO Official 
Templates</span></a><ul><li class="level-2"><a class="final" 
href="/templates/"><span>In
 tro</span></a></li><li class="level-2"><a class="expandible" 
href="#"><span>Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" href="/te
 mplates/recommendation/training-with-implicit-preference/"><span>Train with 
Implicit Preference</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></
 a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust 
Score</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templates/similarproduct/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="
 level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Classification</span></a><ul><li class="level-3"><a 
class="final" href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a class="ex
 pandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" 
href="/gallery/template-gallery/"><span>Browse</span></a></li><li 
class="level-2"><a class="final" 
href="/community/submit-template/"><span>Submit your Engine as a 
Template</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a 
class="final" href="/demo/tapster/"><span>Comics Recommendation 
Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/community/"><span>Community Contributed Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/textclassification/"><span>Text 
Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li 
class="level-2"><a class="final" 
href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
class="level-2"><a class="final" href="/community
 /contribute-documentation/"><span>Contribute Documentation</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a 
Webhook</span></a></li><li class="level-2"><a class="final" 
href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" href="
 /resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final" 
href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Apache Software 
Foundation</span></a><ul><li class="level-2"><a class="final" 
href="https://www.apache.org/";><span>Apache Homepage</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/licenses/";><span>License</span></a></li><li 
class="level-2"><a class="final" 
href="https://www.apache.org/foundation/sponsorship.html";><span>Sponsorship</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/foundation/thanks.html";><span>Thanks</span></a></li><li
 class="level-2"><a class="final" 
href="https://www.apache.org/security/";><span>Security</span></a></li></ul></li></ul></nav></div><div
 class="col-
 md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div 
id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><span class="last">Apache 
PredictionIO™ (incubating) Documentation</span></li></ul></div><div 
id="page-title"><h1>Welcome to Apache PredictionIO™ 
(incubating)!</h1></div></div><div id="table-of-content-wrapper"><h5>On this 
page</h5><aside id="table-of-contents"><ul> <li> <a 
href="#what-is-apache-predictionio-incubating">What is Apache PredictionIO 
(incubating)?</a> </li> <li> <a href="#release-notes">Release Notes</a> </li> 
<li> <a href="#licensing">Licensing</a> </li> </ul> </aside><hr/><a 
id="edit-page-link" 
href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/index.html.md.erb";><img
 src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
class="hidden-sm hidden xs"><ul><li><span class="last">Apache PredictionIO™ 
(incubating) Documentation
 </span></li></ul></div><div id="page-title"><h1>Welcome to Apache 
PredictionIO™ (incubating)!</h1></div></div><div class="content"> <h2 
id='what-is-apache-predictionio-(incubating)?' class='header-anchors'>What is 
Apache PredictionIO (incubating)?</h2><p>Apache PredictionIO (incubating) is an 
<strong>open source Machine Learning Server</strong> built on top of a 
state-of-the-art open source stack for developers and data scientists to create 
predictive engines for any machine learning task. It lets you:</p> <ul> 
<li>quickly build and deploy an engine as a web service on production with <a 
href="/gallery/template-gallery">customizable templates</a>;</li> <li>respond 
to dynamic queries in <strong>real-time</strong> once deployed as a web 
service;</li> <li>evaluate and tune multiple engine variants 
systematically;</li> <li>unify data from multiple platforms in batch or in 
real-time for comprehensive predictive analytics;</li> <li>speed up machine 
learning modeling with systematic proc
 esses and pre-built evaluation measures;</li> <li>support machine learning and 
data processing libraries such as Spark MLLib and OpenNLP;</li> <li>implement 
your own machine learning models and seamlessly incorporate them into your 
engine;</li> <li>simplify data infrastructure management.</li> </ul> <p>Apache 
PredictionIO (incubating) can be <a href="/install/">installed</a> as a full 
machine learning stack, bundled with <strong>Apache Spark</strong>, 
<strong>MLlib</strong>, <strong>HBase</strong>, <strong>Spray</strong> and 
<strong>Elasticsearch</strong>, which simplifies and accelerates scalable 
machine learning infrastructure management.</p> <table><thead> <tr> <th>Getting 
Started</th> <th>Developer Guides</th> <th>ML Education and Usage</th> 
<th>PredictionIO SDKs</th> </tr> </thead><tbody> <tr> <td><a 
href="/start/">Quick Intro</a></td> <td><a href="/system/">System 
Architecture</a></td> <td><a href="/demo/tapster/">Comics 
Recommendation</a></td> <td><a href="/sdk/java/">Java</a
 ></td> </tr> <tr> <td><a href="/install/">Installation Guide</a></td> <td><a 
 >href="/datacollection/">Event Server Overview</a></td> <td><a 
 >href="/demo/textclassification/">Text Classification</a></td> <td><a 
 >href="/sdk/php/">PHP</a></td> </tr> <tr> <td><a 
 >href="/start/download/">Downloading Template</a></td> <td><a 
 >href="/datacollection/eventapi/">Collecting Data</a></td> <td><a 
 >href="/demo/community/">Community Contributed Demo</a></td> <td><a 
 >href="/sdk/python/">Python</a></td> </tr> <tr> <td><a 
 >href="/start/deploy/">Deploying an Engine</a></td> <td><a 
 >href="/customize/">Learning DASE</a></td> <td><a 
 >href="/machinelearning/dimensionalityreduction/">Dimensionality 
 >Reduction</a></td> <td><a href="/sdk/ruby/">Ruby</a></td> </tr> <tr> <td><a 
 >href="/start/customize/">Customizing an Engine</a></td> <td><a 
 >href="/customize/dase/">Implementing DASE</a></td> <td></td> <td><a 
 >href="/sdk/community/">Community Contributed</a></td> </tr> <tr> <td><a 
 >href="/appintegration/">App Integration Over
 view</a></td> <td><a href="/evaluation/">Evaluation Overview</a></td> 
<td></td> <td></td> </tr> <tr> <td></td> <td><a 
href="/resources/intellij/">Intellij IDEA Guide</a></td> <td></td> <td></td> 
</tr> <tr> <td></td> <td><a href="/api/current/#package">Scala API</a></td> 
<td></td> <td></td> </tr> </tbody></table> <h2 id='release-notes' 
class='header-anchors'>Release Notes</h2><p>A summary of the changes in each 
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href="https://github.com/PredictionIO/PredictionIO/blob/master/RELEASE.md";>here</a>.</p><h2
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PredictionIO</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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class="final" href="/start/"><span>A Quick Intro</span></a></li><li 
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PredictionIO</span></a></li><li class="level-2"><a class="final" 
href="/start/download/"><span>Downloading an Engine Template</span></a></li><li 
class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your 
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 ></li><li class="level-2"><a class="final" 
 >href="/start/customize/"><span>Customizing the 
 >Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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 >class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li 
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 >SDK</span></a></li><li class="level-3"><a class="final" 
 >href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a 
 >class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li 
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 >Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a 
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 >class="level
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Service</span></a></li><li class="level-2"><a class="final" 
href="/batchpredict/"><span>Batch Predictions</span></a></li><li 
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class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying 
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href="/deploy/plugin/"><span>Engine Server Plugin</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Customizing an 
Engine</span></a><ul><li class="level-2"><a class="final" 
href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a 
class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li 
class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Tro
 ubleshooting Engine Development</span></a></li><li class="level-2"><a 
class="final" href="/api/current/#package"><span>Engine Scala 
APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Collecting and Analyzing Data</span></a><ul><li 
class="level-2"><a class="final" href="/datacollection/"><span>Event Server 
Overview</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventapi/"><span>Collecting Data with 
REST/SDKs</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/webhooks/"><span>Unifying Multichannel Data with 
Webhooks</span></a></li><li class="level-2"><a class="final" 
href="/datacollection/channel/"><span>Channel</span></a></li><li 
class="level-2"><a class="final" 
href="/datacollection/batchimport/"><span>Importing Data in 
Batch</span></a></li><li class="level-2"><a class="final" href="/datacol
 lection/analytics/"><span>Using Analytics Tools</span></a></li><li 
class="level-2"><a class="final" href="/datacollection/plugin/"><span>Event 
Server Plugin</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li 
class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm 
Libraries</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/switch/"><span>Switching to Another 
Algorithm</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/multiple/"><span>Combining Multiple 
Algorithms</span></a></li><li class="level-2"><a class="final" 
href="/algorithm/custom/"><span>Adding Your Own 
Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a 
class="final" href="/evaluation/"><span>Overview</span></a></li><li 
class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyp
 erparameter Tuning</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/evaluationdashboard/"><span>Evaluation 
Dashboard</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricchoose/"><span>Choosing Evaluation 
Metrics</span></a></li><li class="level-2"><a class="final" 
href="/evaluation/metricbuild/"><span>Building Evaluation 
Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" 
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class="final" href="/system/"><span>Architecture Overview</span></a></li><li 
class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using 
Another Data Store</span></a></li></ul></li><li class="level-1"><a 
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Templates</span></a><ul><li class="level-2"><a class="final" 
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 evel-3"><a class="final" 
href="/templates/recommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/evaluation/"><span>Evaluation 
Explained</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/recommendation/reading-custom-events/"><span>Read Custom 
Events</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-data-prep/"><span>Customize Data 
Preparator</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/customize-serving/"><span>Customize 
Serving</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/training-with-implicit-preference/"><span>Train 
with Implicit Preference</span></a></li><li cl
 ass="level-3"><a class="final" 
href="/templates/recommendation/blacklist-items/"><span>Filter Recommended 
Items by Blacklist in Query</span></a></li><li class="level-3"><a class="final" 
href="/templates/recommendation/batch-evaluator/"><span>Batch Persistable 
Evaluator</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>E-Commerce Recommendation</span></a><ul><li class="level-3"><a 
class="final" href="/templates/ecommercerecommendation/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/how-to/"><span>How-To</span></a></li><li
 class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/train-with-rate-event/"><span>Train 
with Rate Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/ecommercerecommendation/adjust-score/"><span>Adjust Scor
 e</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Similar Product</span></a><ul><li class="level-3"><a 
class="final" href="/templates/similarproduct/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/similarproduct/multi-events-multi-algos/"><span>Multiple 
Events and Multiple Algorithms</span></a></li><li class="level-3"><a 
class="final" 
href="/templates/similarproduct/return-item-properties/"><span>Returns Item 
Properties</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/train-with-rate-event/"><span>Train with Rate 
Event</span></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/rid-user-set-event/"><span>Get Rid of Events 
for Users</spa
 n></a></li><li class="level-3"><a class="final" 
href="/templates/similarproduct/recommended-user/"><span>Recommend 
Users</span></a></li></ul></li><li class="level-2"><a class="expandible" 
href="#"><span>Classification</span></a><ul><li class="level-3"><a 
class="final" href="/templates/classification/quickstart/"><span>Quick 
Start</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/dase/"><span>DASE</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/how-to/"><span>How-To</span></a></li><li 
class="level-3"><a class="final" 
href="/templates/classification/add-algorithm/"><span>Use Alternative 
Algorithm</span></a></li><li class="level-3"><a class="final" 
href="/templates/classification/reading-custom-properties/"><span>Read Custom 
Properties</span></a></li></ul></li></ul></li><li class="level-1"><a 
class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li 
class="level-2"><a class="final" href="/gallery/te
 mplate-gallery/"><span>Browse</span></a></li><li class="level-2"><a 
class="final" href="/community/submit-template/"><span>Submit your Engine as a 
Template</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a 
class="final" href="/demo/tapster/"><span>Comics Recommendation 
Demo</span></a></li><li class="level-2"><a class="final" 
href="/demo/community/"><span>Community Contributed Demo</span></a></li><li 
class="level-2"><a class="final" href="/demo/textclassification/"><span>Text 
Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a 
class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li 
class="level-2"><a class="final" 
href="/community/contribute-code/"><span>Contribute Code</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-documentation/"><span>Contribute 
Documentation</span></a></li><li class="level-2"><a class="final" href="
 /community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li 
class="level-2"><a class="final" 
href="/community/contribute-webhook/"><span>Contribute a 
Webhook</span></a></li><li class="level-2"><a class="final" 
href="/community/projects/"><span>Community 
Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" 
href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" 
href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a 
class="final" href="/support/"><span>Support</span></a></li></ul></li><li 
class="level-1"><a class="expandible" 
href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" 
href="/cli/"><span>Command-line Interface</span></a></li><li class="level-2"><a 
class="final" href="/resources/release/"><span>Release 
Cadence</span></a></li><li class="level-2"><a class="final" 
href="/resources/intellij/"><span>Developing Engines with IntelliJ 
IDEA</span></a></li><li class="level-2"><a class="final"
  href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li 
class="level-2"><a class="final" 
href="/resources/glossary/"><span>Glossary</span></a></li></ul></li><li 
class="level-1"><a class="expandible" href="#"><span>Apache Software 
Foundation</span></a><ul><li class="level-2"><a class="final" 
href="https://www.apache.org/";><span>Apache Homepage</span></a></li><li 
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 class="col-md-9 col-sm-12"><div class="content-header hidden-md 
hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul
 ><li><span class="last">Apache PredictionIO™ 
 >Documentation</span></li></ul></div><div id="page-title"><h1>Welcome to 
 >Apache PredictionIO™!</h1></div></div><div 
 >id="table-of-content-wrapper"><h5>On this page</h5><aside 
 >id="table-of-contents"><ul> <li> <a href="#what-is-apache-predictionio">What 
 >is Apache PredictionIO?</a> </li> <li> <a href="#release-notes">Release 
 >Notes</a> </li> <li> <a href="#licensing">Licensing</a> </li> </ul> 
 ></aside><hr/><a id="edit-page-link" 
 >href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/index.html.md.erb";><img
 > src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div 
 >class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" 
 >class="hidden-sm hidden xs"><ul><li><span class="last">Apache PredictionIO™ 
 >Documentation</span></li></ul></div><div id="page-title"><h1>Welcome to 
 >Apache PredictionIO™!</h1></div></div><div class="content"> <h2 
 >id='what-is-apache-predictionio?' class='header-anchors
 '>What is Apache PredictionIO?</h2><p>Apache PredictionIO is an <strong>open 
source Machine Learning Server</strong> built on top of a state-of-the-art open 
source stack for developers and data scientists to create predictive engines 
for any machine learning task. It lets you:</p> <ul> <li>quickly build and 
deploy an engine as a web service on production with <a 
href="/gallery/template-gallery">customizable templates</a>;</li> <li>respond 
to dynamic queries in <strong>real-time</strong> once deployed as a web 
service;</li> <li>evaluate and tune multiple engine variants 
systematically;</li> <li>unify data from multiple platforms in batch or in 
real-time for comprehensive predictive analytics;</li> <li>speed up machine 
learning modeling with systematic processes and pre-built evaluation 
measures;</li> <li>support machine learning and data processing libraries such 
as Spark MLLib and OpenNLP;</li> <li>implement your own machine learning models 
and seamlessly incorporate them into your 
 engine;</li> <li>simplify data infrastructure management.</li> </ul> <p>Apache 
PredictionIO can be <a href="/install/">installed</a> as a full machine 
learning stack, bundled with <strong>Apache Spark</strong>, 
<strong>MLlib</strong>, <strong>HBase</strong>, <strong>Spray</strong> and 
<strong>Elasticsearch</strong>, which simplifies and accelerates scalable 
machine learning infrastructure management.</p> <table><thead> <tr> <th>Getting 
Started</th> <th>Developer Guides</th> <th>ML Education and Usage</th> 
<th>PredictionIO SDKs</th> </tr> </thead><tbody> <tr> <td><a 
href="/start/">Quick Intro</a></td> <td><a href="/system/">System 
Architecture</a></td> <td><a href="/demo/tapster/">Comics 
Recommendation</a></td> <td><a href="/sdk/java/">Java</a></td> </tr> <tr> 
<td><a href="/install/">Installation Guide</a></td> <td><a 
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