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	<title>Template:Recommender systems - Revision history</title>
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	<updated>2026-06-13T09:22:25Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.vigyanwiki.in/index.php?title=Template:Recommender_systems&amp;diff=122348&amp;oldid=prev</id>
		<title>Indicwiki: 1 revision imported from :alpha:Template:Recommender_systems</title>
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		<updated>2023-04-07T01:46:07Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported from &lt;a href=&quot;https://alpha.indicwiki.in/index.php?title=Template:Recommender_systems&quot; class=&quot;extiw&quot; title=&quot;alpha:Template:Recommender systems&quot;&gt;alpha:Template:Recommender_systems&lt;/a&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:16, 7 April 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en-GB&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Indicwiki</name></author>
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	<entry>
		<id>https://www.vigyanwiki.in/index.php?title=Template:Recommender_systems&amp;diff=122347&amp;oldid=prev</id>
		<title>alpha&gt;Indicwiki: Created page with &quot;{{Sidebar | name = Recommender systems | width = 18.0em | topimage =  | title = Recommender systems | image =   | contentclass = hlist | headingstyle = border-top:1px soli...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.vigyanwiki.in/index.php?title=Template:Recommender_systems&amp;diff=122347&amp;oldid=prev"/>
		<updated>2023-03-21T06:06:07Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{Sidebar | name = Recommender systems | width = 18.0em | topimage =  | title = &lt;a href=&quot;/index.php?title=Recommender_system&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Recommender system (page does not exist)&quot;&gt;Recommender systems&lt;/a&gt; | image =   | contentclass = hlist | headingstyle = border-top:1px soli...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Sidebar&lt;br /&gt;
| name = Recommender systems&lt;br /&gt;
| width = 18.0em&lt;br /&gt;
| topimage = &lt;br /&gt;
| title = [[Recommender system]]s&lt;br /&gt;
| image = &lt;br /&gt;
&lt;br /&gt;
| contentclass = hlist&lt;br /&gt;
| headingstyle = border-top:1px solid #aaa;&lt;br /&gt;
&lt;br /&gt;
| heading1 = Concepts&lt;br /&gt;
| content1 = &lt;br /&gt;
* [[Collective intelligence]]&lt;br /&gt;
* [[Relevance]]&lt;br /&gt;
* [[Star (classification)|Star ratings]]&lt;br /&gt;
* [[Long tail]]&lt;br /&gt;
&lt;br /&gt;
| heading2 = Methods and challenges&lt;br /&gt;
| content2 = &lt;br /&gt;
* [[Cold start (recommender systems)|Cold start]]&lt;br /&gt;
* [[Collaborative filtering]]&lt;br /&gt;
* [[Dimensionality reduction]]&lt;br /&gt;
* [[Implicit data collection]]&lt;br /&gt;
* [[Item-item collaborative filtering]]&lt;br /&gt;
* [[Matrix factorization (recommender systems)|Matrix factorization]]&lt;br /&gt;
* [[Preference elicitation]]&lt;br /&gt;
* [[Similarity search]]&lt;br /&gt;
&lt;br /&gt;
| heading3 = Implementations&lt;br /&gt;
| content3 = &lt;br /&gt;
* [[Collaborative search engine]]&lt;br /&gt;
* [[Content discovery platform]]&lt;br /&gt;
* [[Decision support system]]&lt;br /&gt;
* [[Music Genome Project]]&lt;br /&gt;
* [[Product finder]]&lt;br /&gt;
&lt;br /&gt;
| heading4= Research&lt;br /&gt;
| content4 =&lt;br /&gt;
* [[GroupLens Research]]&lt;br /&gt;
* [[MovieLens]]&lt;br /&gt;
* [[Netflix Prize]]&lt;br /&gt;
* [[ACM Conference on Recommender Systems]]&lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>alpha&gt;Indicwiki</name></author>
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