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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</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="fin
al" 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="/datacollecti
on/"><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="/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</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>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>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="/evaluatio
n/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>Intro</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="/templates/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>Qui
ck 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/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 cl
ass="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="page-title"><h1>Demos</h1></div></div><div
id="table-of-content-wrapper"><h5>On this page</h5><aside
id="table-of-contents"><ul> <li> <a href="#current-demos">Current Demos</a>
</li> <li> <a href="#contribute">Contribute</a> </li> </ul> </aside><hr/><a
id="edit-page-link"
href="https://github.com/apache/predictionio/tree/livedoc/docs/manual/source/demo/index.html.m
d.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this
page</a></div><div class="content-header hidden-sm hidden-xs"><div
id="page-title"><h1>Demos</h1></div></div><div class="content"> <h2
id='current-demos' class='header-anchors'>Current Demos</h2><p><a
href="/demo/tapster/">Tapster</a> - A Tinder like Rails application using
Apache PredictionIO.</p><h2 id='contribute'
class='header-anchors'>Contribute</h2><p>Interested in writing a demo? Contact
us at <a href="mailto:[email protected]";><a
href="mailto:[email protected]";>[email protected]</a></a>.</p></div></div></div></div><footer><div
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