http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/fbe742b0/templates/ecommercerecommendation/quickstart/index.html
----------------------------------------------------------------------
diff --git a/templates/ecommercerecommendation/quickstart/index.html 
b/templates/ecommercerecommendation/quickstart/index.html
index 3cf4aa8..6eceda4 100644
--- a/templates/ecommercerecommendation/quickstart/index.html
+++ b/templates/ecommercerecommendation/quickstart/index.html
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span 
class="nv">$]</span>               MyApp1 |    1 | 
3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span 
class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span 
class="nv">$]</span>               MyApp2 |    2 | 
io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span 
class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span 
class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span 
class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 
id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, 
let&#39;s collect training data for this Engine. By default, the E-Commerce 
Recommendation Engine Template supports 2 types of entities and 2 events: 
<strong>user</strong> and <strong>item</strong>; events <strong>view</strong> 
and <strong>buy</strong>. An item has the <strong>categories</strong> property, 
which is a list of category names (String). A user can view and buy an item. 
The specical <strong>constraint</strong> entiy with entityId 
<strong>unavailableItems</strong> defines a list of unavailable items and is 
taken into account in realtime during serving.</p><p>In summary, this template 
requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item 
events, user-buy-item event and &#39;$set&#39; constraint event.</p><div 
class="alert-message info"><p>This template can easily be customized to 
consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server 
in real-time easily by making a HTTP request or through the provided SDK. 
Please see <a href="/appintegration/">App Integration Overview</a> for more 
details how to integrate your app with SDK.</p><p>Let&#39;s try sending events 
to EventServer with the following <code>curl</code> commands (The corresponding 
SDK code is showed in other tabs).</p><p>Replace 
<code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. 
Note that <code>localhost:7070</code> is the default URL of the Event 
Server.</p><p>For convenience, set your access key to the shell variable, 
run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a 
href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is 
created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current 
time will be used if eventTime is not specified), you can send a 
<code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul 
class="control"> <li data-lang="json"><a 
href="#tab-a9e9b970-b95c-4b54-9d10-d3b688202dc9">REST API</a></li> <li 
data-lang="python"><a href="#tab-3c0915ad-6b5b-45c1-badb-2b8f17aec1a4">Python 
SDK</a></li> <li data-lang="php"><a 
href="#tab-555dae6f-c910-4965-8708-d01bc8e8dc80">PHP SDK</a></li> <li 
data-lang="ruby"><a href="#tab-fefcc54f-7c3f-4442-badc-00f2a1289815">Ruby 
SDK</a></li> <li data-lang="java"><a 
href="#tab-dd0818bc-6ef9-49c6-b17b-6a62b018a8f4">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-a9e9b970-b95c-4b54-9d10-d3b688202dc9"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 
id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, 
let&#39;s collect training data for this Engine. By default, the E-Commerce 
Recommendation Engine Template supports 2 types of entities and 2 events: 
<strong>user</strong> and <strong>item</strong>; events <strong>view</strong> 
and <strong>buy</strong>. An item has the <strong>categories</strong> property, 
which is a list of category names (String). A user can view and buy an item. 
The specical <strong>constraint</strong> entiy with entityId 
<strong>unavailableItems</strong> defines a list of unavailable items and is 
taken into account in realtime during serving.</p><p>In summary, this template 
requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item 
events, user-buy-item event and &#39;$set&#39; constraint event.</p><div 
class="alert-message info"><p>This template can easily be customized to 
consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server 
in real-time easily by making a HTTP request or through the provided SDK. 
Please see <a href="/appintegration/">App Integration Overview</a> for more 
details how to integrate your app with SDK.</p><p>Let&#39;s try sending events 
to EventServer with the following <code>curl</code> commands (The corresponding 
SDK code is showed in other tabs).</p><p>Replace 
<code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. 
Note that <code>localhost:7070</code> is the default URL of the Event 
Server.</p><p>For convenience, set your access key to the shell variable, 
run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a 
href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is 
created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current 
time will be used if eventTime is not specified), you can send a 
<code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul 
class="control"> <li data-lang="json"><a 
href="#tab-dd3bf91d-90d3-42fc-942f-cd5e06bb050a">REST API</a></li> <li 
data-lang="python"><a href="#tab-1b9ff1bc-7fff-48ae-82d2-cd44cfd41998">Python 
SDK</a></li> <li data-lang="php"><a 
href="#tab-aed49717-251a-4049-85ff-92841b41a725">PHP SDK</a></li> <li 
data-lang="ruby"><a href="#tab-2ab8c8c7-9b55-4242-91a1-834de4bed5af">Ruby 
SDK</a></li> <li data-lang="java"><a 
href="#tab-eaff7b20-82c5-4665-86df-a6f29f268ee3">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-dd3bf91d-90d3-42fc-942f-cd5e06bb050a"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -47,7 +47,7 @@ Your system is all ready to go.
   "entityId" : "u0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-3c0915ad-6b5b-45c1-badb-2b8f17aec1a4"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-1b9ff1bc-7fff-48ae-82d2-cd44cfd41998"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -78,7 +78,7 @@ Your system is all ready to go.
   <span class="n">entity_type</span><span class="o">=</span><span 
class="s">"user"</span><span class="p">,</span>
   <span class="n">entity_id</span><span class="o">=&lt;</span><span 
class="n">USER_ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-555dae6f-c910-4965-8708-d01bc8e8dc80"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-aed49717-251a-4049-85ff-92841b41a725"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -119,7 +119,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span 
class="k">array</span><span class="p">(</span><span 
class="s1">'categories'</span> <span class="o">=&gt;</span> <span 
class="k">array</span><span class="p">(</span><span 
class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span 
class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-fefcc54f-7c3f-4442-badc-00f2a1289815"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-2ab8c8c7-9b55-4242-91a1-834de4bed5af"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -136,7 +136,7 @@ Your system is all ready to go.
   <span class="s1">'user'</span><span class="p">,</span>
   <span class="o">&lt;</span><span class="no">USER</span> <span 
class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-dd0818bc-6ef9-49c6-b17b-6a62b018a8f4"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-eaff7b20-82c5-4665-86df-a6f29f268ee3"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -161,7 +161,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span 
class="o">(</span><span class="s">"user"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span 
class="o">(&lt;</span><span class="n">USER_ID</span><span 
class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span 
class="na">createEvent</span><span class="o">(</span><span 
class="n">userEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item 
&quot;i0&quot; is created in your app on time 
<code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if 
eventTime is not specified), you can send a <code>$set</code> event for the 
item. Note that the item is set with categories properties: 
<code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following 
<code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li 
data-lang="json"><a href="#tab-5b8175b4-7f0a-4658-9d50-73d253dcc5d3">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-6e656b66-5b91-47d7-b3d8-a018314ea9cc">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-18cebc36-9b80-4787-bd4a-ca83d47ae017">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-9b65f297-ddc6-4f3e-8afb-b4c2d1960add">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-f3860c24-77f7-4ced-91e9-3f2b9c6b4615">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-5b8175
 b4-7f0a-4658-9d50-73d253dcc5d3"> <div class="highlight shell"> <table 
style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item 
&quot;i0&quot; is created in your app on time 
<code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if 
eventTime is not specified), you can send a <code>$set</code> event for the 
item. Note that the item is set with categories properties: 
<code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following 
<code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li 
data-lang="json"><a href="#tab-ea289138-9014-4fcf-ab17-acdab75223bb">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-38828726-3509-4660-9e49-7de04885a82d">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-0d7054e9-c3f6-4df1-acee-e5887912db37">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-f07e6ae3-5264-4abf-8932-a28222264724">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-e68ae3fc-7ef1-42a7-a9ec-02e5559d8aab">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-ea2891
 38-9014-4fcf-ab17-acdab75223bb"> <div class="highlight shell"> <table 
style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: 
right"><pre class="lineno">1
 2
 3
 4
@@ -182,7 +182,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-6e656b66-5b91-47d7-b3d8-a018314ea9cc"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-38828726-3509-4660-9e49-7de04885a82d"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -201,7 +201,7 @@ Your system is all ready to go.
     <span class="s">"categories"</span> <span class="p">:</span> <span 
class="p">[</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span 
class="p">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span 
class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-18cebc36-9b80-4787-bd4a-ca83d47ae017"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-0d7054e9-c3f6-4df1-acee-e5887912db37"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -218,7 +218,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span 
class="k">array</span><span class="p">(</span><span 
class="s1">'categories'</span> <span class="o">=&gt;</span> <span 
class="k">array</span><span class="p">(</span><span 
class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span 
class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-9b65f297-ddc6-4f3e-8afb-b4c2d1960add"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-f07e6ae3-5264-4abf-8932-a28222264724"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -235,7 +235,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-f3860c24-77f7-4ced-91e9-3f2b9c6b4615"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-e68ae3fc-7ef1-42a7-a9ec-02e5559d8aab"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -248,7 +248,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityId</span><span 
class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;)</span>
   <span class="o">.</span><span class="na">property</span><span 
class="o">(</span><span class="s">"categories"</span><span class="o">,</span> 
<span class="n">ImmutableList</span><span class="o">.</span><span 
class="na">of</span><span class="o">(</span><span 
class="s">"&lt;CATEGORY_1&gt;"</span><span class="o">,</span> <span 
class="s">"&lt;CATEGORY_2&gt;"</span><span class="o">));</span>
 <span class="n">client</span><span class="o">.</span><span 
class="na">createEvent</span><span class="o">(</span><span 
class="n">itemEvent</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of 
the <code>user</code> and <code>item</code> can be set, unset, or delete by 
special events <strong>$set</strong>, <strong>$unset</strong> and 
<strong>$delete</strong>. Please refer to <a 
href="/datacollection/eventapi/#note-about-properties">Event API</a> for more 
details of using these events.</p><p>When the user &quot;u0&quot; view item 
&quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time 
will be used if eventTime is not specified), you can send a view event. Run the 
following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> 
<li data-lang="json"><a href="#tab-49e6365f-68f8-4719-bd30-0aa6757c2d53">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-3d51ba28-a3e9-40dd-9dbd-a061efb5a3f2">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-679ad5d8-c9bb-4548-a38a-0ce6f5b6f0a8">PHP 
SDK</a></li> <li data-lang="ruby"><a href="#tab-044a5519-473e-462d-946e-58efa5
 004827">Ruby SDK</a></li> <li data-lang="java"><a 
href="#tab-72666b84-56d5-4b97-bc47-1f99d0ab6cf9">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-49e6365f-68f8-4719-bd30-0aa6757c2d53"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of 
the <code>user</code> and <code>item</code> can be set, unset, or delete by 
special events <strong>$set</strong>, <strong>$unset</strong> and 
<strong>$delete</strong>. Please refer to <a 
href="/datacollection/eventapi/#note-about-properties">Event API</a> for more 
details of using these events.</p><p>When the user &quot;u0&quot; view item 
&quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time 
will be used if eventTime is not specified), you can send a view event. Run the 
following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> 
<li data-lang="json"><a href="#tab-33547407-1ee4-464b-86f9-46c9d4754fc0">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-f2477b56-7b14-4fc4-ac3b-46a06cdb2a6e">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-ff4a1bcd-a3ea-4075-afae-3241c92c6d12">PHP 
SDK</a></li> <li data-lang="ruby"><a href="#tab-24f8d38a-43b6-4b5d-9e35-a82a52
 43e9c0">Ruby SDK</a></li> <li data-lang="java"><a 
href="#tab-fc73e845-ea8b-437a-a811-a7ee864e0fcf">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-33547407-1ee4-464b-86f9-46c9d4754fc0"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -267,7 +267,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-3d51ba28-a3e9-40dd-9dbd-a061efb5a3f2"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-f2477b56-7b14-4fc4-ac3b-46a06cdb2a6e"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -284,7 +284,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span 
class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span 
class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-679ad5d8-c9bb-4548-a38a-0ce6f5b6f0a8"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-ff4a1bcd-a3ea-4075-afae-3241c92c6d12"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -303,7 +303,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span 
class="o">&lt;</span><span class="nx">ITEM</span> <span 
class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-044a5519-473e-462d-946e-58efa5004827"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-24f8d38a-43b6-4b5d-9e35-a82a5243e9c0"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -322,7 +322,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-72666b84-56d5-4b97-bc47-1f99d0ab6cf9"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-fc73e845-ea8b-437a-a811-a7ee864e0fcf"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -337,7 +337,7 @@ Your system is all ready to go.
     <span class="o">.</span><span class="na">targetEntityType</span><span 
class="o">(</span><span class="s">"item"</span><span class="o">)</span>
     <span class="o">.</span><span class="na">targetEntityId</span><span 
class="o">(&lt;</span><span class="n">ITEM_ID</span><span 
class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span 
class="na">createEvent</span><span class="o">(</span><span 
class="n">viewEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user 
&quot;u0&quot; buy item &quot;i0&quot; on time 
<code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if 
eventTime is not specified), you can send a view event. Run the following 
<code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li 
data-lang="json"><a href="#tab-8c2170dc-e158-4452-b442-993d5f1fd284">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-5207ce40-d4fd-43d7-8df7-cd4949852f17">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-c1d17d58-5505-42df-b78a-bb5b806c2cb5">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-27bd249c-08c4-44a6-af60-9c322d1df350">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-e9330559-ab7a-468a-a124-750fc17e00a7">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" 
id="tab-8c2170dc-e158-4452-b442-993d5f1fd284"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user 
&quot;u0&quot; buy item &quot;i0&quot; on time 
<code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if 
eventTime is not specified), you can send a view event. Run the following 
<code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li 
data-lang="json"><a href="#tab-3310ef96-fe90-41da-9798-752882563307">REST 
API</a></li> <li data-lang="python"><a 
href="#tab-4d9bec87-ae7c-45c1-b545-543e7d6ab2aa">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-44f32b2f-25ed-493c-b1a0-615950b8ac08">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-0f6be634-ce1f-4804-8888-7a228ae7a187">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-4a562965-c480-4e33-8acd-ddbfd4118722">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" 
id="tab-3310ef96-fe90-41da-9798-752882563307"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
 2
 3
 4
@@ -356,7 +356,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T13:00:00.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-5207ce40-d4fd-43d7-8df7-cd4949852f17"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-4d9bec87-ae7c-45c1-b545-543e7d6ab2aa"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -373,7 +373,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span 
class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span 
class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-c1d17d58-5505-42df-b78a-bb5b806c2cb5"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-44f32b2f-25ed-493c-b1a0-615950b8ac08"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -392,7 +392,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span 
class="o">&lt;</span><span class="nx">ITEM</span> <span 
class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-27bd249c-08c4-44a6-af60-9c322d1df350"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-0f6be634-ce1f-4804-8888-7a228ae7a187"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -409,7 +409,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> 
<span class="o">&lt;</span><span class="no">ITEM</span> <span 
class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-e9330559-ab7a-468a-a124-750fc17e00a7"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-4a562965-c480-4e33-8acd-ddbfd4118722"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -490,19 +490,19 @@ User u10 buys item i40
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed 
successfully and running, you should see a console message similar to the 
following:</p><div class="highlight shell"><table style="border-spacing: 
0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre 
class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span 
class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind 
successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine 
process.</p><p>By default, the deployed engine binds to <a 
href="http://localhost:8000";><a 
href="http://localhost:8000";>http://localhost:8000</a></a>. You can visit that 
page in your web browser to check its status.</p><p><img alt="Engine Status" 
src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' 
class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted 
results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON 
<code>{ &quot;user&quot;: [&quot;u1&quot;], &quot;num&quot;: 4 }</code> to the 
deployed engine and it will return a JSON of the recommended items. Simply send 
a query by making a HTTP request or through the <code>EngineClient</code> of an 
SDK.</p><p>With the deployed engine running, open another temrinal and run the 
following <code>curl</code> command or use SDK to send the query:</p><div 
class="tabs"> <ul class="control"> <li data-lang="
 json"><a href="#tab-b86d1590-e0fb-4602-8b30-29620ec1d1c7">REST API</a></li> 
<li data-lang="python"><a 
href="#tab-e023a518-b040-4a5e-bbdd-134e60ef4607">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-e7a3b657-48cb-4104-b982-cc4cacc1d52e">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-fa1da321-e36d-47fb-851d-968495a74c7c">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-8d251020-d4fb-4f53-9f3b-327aed3a59ce">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" 
id="tab-b86d1590-e0fb-4602-8b30-29620ec1d1c7"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine 
process.</p><p>By default, the deployed engine binds to <a 
href="http://localhost:8000";><a 
href="http://localhost:8000";>http://localhost:8000</a></a>. You can visit that 
page in your web browser to check its status.</p><p><img alt="Engine Status" 
src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' 
class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted 
results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON 
<code>{ &quot;user&quot;: [&quot;u1&quot;], &quot;num&quot;: 4 }</code> to the 
deployed engine and it will return a JSON of the recommended items. Simply send 
a query by making a HTTP request or through the <code>EngineClient</code> of an 
SDK.</p><p>With the deployed engine running, open another temrinal and run the 
following <code>curl</code> command or use SDK to send the query:</p><div 
class="tabs"> <ul class="control"> <li data-lang="
 json"><a href="#tab-dfee1a46-9dfb-4c02-b157-6bfbece7c3ec">REST API</a></li> 
<li data-lang="python"><a 
href="#tab-30a4421e-bf1e-485d-a274-53048260d4b0">Python SDK</a></li> <li 
data-lang="php"><a href="#tab-055ae309-2156-4f76-bb9d-a6205154abd3">PHP 
SDK</a></li> <li data-lang="ruby"><a 
href="#tab-f0040103-6e6a-4981-8f8e-1f628aaf4770">Ruby SDK</a></li> <li 
data-lang="java"><a href="#tab-2b12fc28-7bf1-4cc9-983e-12aefce09fe7">Java 
SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" 
id="tab-dfee1a46-9dfb-4c02-b157-6bfbece7c3ec"> <div class="highlight shell"> 
<table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" 
style="text-align: right"><pre class="lineno">1
 2
 3
 4</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span 
class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "user": "u1", "num": 4 }'</span> <span 
class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-e023a518-b040-4a5e-bbdd-134e60ef4607"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-30a4421e-bf1e-485d-a274-53048260d4b0"> <div 
class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span 
class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span 
class="n">predictionio</span><span class="o">.</span><span 
class="n">EngineClient</span><span class="p">(</span><span 
class="n">url</span><span class="o">=</span><span 
class="s">"http://localhost:8000";</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span 
class="o">.</span><span class="n">send_query</span><span 
class="p">({</span><span class="s">"user"</span><span class="p">:</span> <span 
class="s">"u1"</span><span class="p">,</span> <span class="s">"num"</span><span 
class="p">:</span> <span class="mi">4</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-e7a3b657-48cb-4104-b982-cc4cacc1d52e"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" 
data-lang="php" id="tab-055ae309-2156-4f76-bb9d-a6205154abd3"> <div 
class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -521,7 +521,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span 
class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-fa1da321-e36d-47fb-851d-968495a74c7c"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
data-lang="ruby" id="tab-f0040103-6e6a-4981-8f8e-1f628aaf4770"> <div 
class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -534,7 +534,7 @@ http://localhost:8000/queries.json
 <span class="n">response</span> <span class="o">=</span> <span 
class="n">client</span><span class="p">.</span><span 
class="nf">send_query</span><span class="p">(</span><span 
class="s1">'user'</span> <span class="o">=&gt;</span> <span 
class="s1">'i1'</span><span class="p">,</span> <span class="s1">'num'</span> 
<span class="o">=&gt;</span> <span class="mi">4</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-8d251020-d4fb-4f53-9f3b-327aed3a59ce"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" 
data-lang="java" id="tab-2b12fc28-7bf1-4cc9-983e-12aefce09fe7"> <div 
class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td 
class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -578,7 +578,7 @@ http://localhost:8000/queries.json
     <span class="o">{</span><span class="s2">"item"</span>:<span 
class="s2">"i3"</span>,<span 
class="s2">"score"</span>:0.003007015026561692<span class="o">}</span>
   <span class="o">]</span>
 <span class="o">}</span>
-</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> 
is now running.</p><div class="alert-message info"><p>To update the model 
periodically with new data, simply set up a cron job to call <code>pio 
train</code> and <code>pio deploy</code>. The engine will continue to serve 
prediction results during the re-train process. After the training is 
completed, <code>pio deploy</code> will automatically shutdown the existing 
engine server and bring up a new process on the same port.</p></div><div 
class="alert-message info"><p><strong>Note that if you import a <em>large</em> 
data set</strong> and the training seems to be taking forever or getting stuck, 
it&#39;s likely that there is not enough executor memory. It&#39;s recommended 
to setup a Spark standalone cluster, you&#39;ll need to specify more driver and 
executor memory when training with a large data set. Please see <a 
href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> 
<h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting 
constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send a item 
contraint &quot;unavailableItems&quot; (replace accessKey with your Access 
Key):</p><div class="alert-message note"><p>You can also use SDK to send this 
event as decribed in the SDK sample above.</p></div><div class="tabs"> <ul 
class="control"> <li data-lang="json"><a 
href="#tab-ad9cb427-dc9c-4cf6-b5a7-52a91dd89bfe">REST API</a></li> <li 
data-lang="python"><a href="#tab-ac1b7d99-29bb-449c-b62e-8eb7cb12ee3a">Python 
SDK</a></li> <li data-lang="php"><a 
href="#tab-f1e2f0ef-c527-4dfa-8472-aa1f13ccc69a">PHP SDK</a></li> <li 
data-lang="ruby"><a href="#tab-fd88cf2d-e76f-4b3f-838b-774c08145db1">Ruby 
SDK</a></li> <li data-lang="java"><a 
href="#tab-f72f2437-52b6-4822-9113-59b7bf502de4">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-ad9cb427-dc9c-4cf6-b5a7-52a91dd89bfe"> <div class="highlight shell"> 
<table style="border-sp
 acing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre 
class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> 
is now running.</p><div class="alert-message info"><p>To update the model 
periodically with new data, simply set up a cron job to call <code>pio 
train</code> and <code>pio deploy</code>. The engine will continue to serve 
prediction results during the re-train process. After the training is 
completed, <code>pio deploy</code> will automatically shutdown the existing 
engine server and bring up a new process on the same port.</p></div><div 
class="alert-message info"><p><strong>Note that if you import a <em>large</em> 
data set</strong> and the training seems to be taking forever or getting stuck, 
it&#39;s likely that there is not enough executor memory. It&#39;s recommended 
to setup a Spark standalone cluster, you&#39;ll need to specify more driver and 
executor memory when training with a large data set. Please see <a 
href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> 
<h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting 
constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send a item 
contraint &quot;unavailableItems&quot; (replace accessKey with your Access 
Key):</p><div class="alert-message note"><p>You can also use SDK to send this 
event as decribed in the SDK sample above.</p></div><div class="tabs"> <ul 
class="control"> <li data-lang="json"><a 
href="#tab-80d43702-5242-4d44-9036-ba9b6e7dc615">REST API</a></li> <li 
data-lang="python"><a href="#tab-e9e9f6ac-d27c-45f1-ae9e-76550055e3f0">Python 
SDK</a></li> <li data-lang="php"><a 
href="#tab-5ec9120f-83e3-402c-b5f1-1aa0e1742a4d">PHP SDK</a></li> <li 
data-lang="ruby"><a href="#tab-7b4c11e2-272b-4ede-b16b-83a83e3f90da">Ruby 
SDK</a></li> <li data-lang="java"><a 
href="#tab-9a0d32e7-a203-4f37-a5c1-7c357f5c2b8c">Java SDK</a></li> </ul> <div 
data-tab="REST API" data-lang="json" 
id="tab-80d43702-5242-4d44-9036-ba9b6e7dc615"> <div class="highlight shell"> 
<table style="border-sp
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@@ -599,7 +599,7 @@ http://localhost:8000/queries.json
   }
   "eventTime" : "2015-02-17T02:11:21.934Z"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" 
data-lang="python" id="tab-ac1b7d99-29bb-449c-b62e-8eb7cb12ee3a"> <div 
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@@ -618,7 +618,7 @@ http://localhost:8000/queries.json
     <span class="s">"items"</span> <span class="p">:</span> <span 
class="p">[</span><span class="s">"&lt;ITEM ID1&gt;"</span><span 
class="p">,</span> <span class="s">"&lt;ITEM ID2&gt;"</span><span 
class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
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data-lang="php" id="tab-f1e2f0ef-c527-4dfa-8472-aa1f13ccc69a"> <div 
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@@ -635,7 +635,7 @@ http://localhost:8000/queries.json
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span 
class="k">array</span><span class="p">(</span><span class="s1">'items'</span> 
<span class="o">=&gt;</span> <span class="k">array</span><span 
class="p">(</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span 
class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span 
class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" 
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@@ -650,7 +650,7 @@ http://localhost:8000/queries.json
     <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span 
class="p">{</span> <span class="s1">'items'</span> <span class="o">=&gt;</span> 
<span class="p">[</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span 
class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span 
class="p">]</span> <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
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