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    <title>recommendation-system on S Anand</title>
    <link>https://www.s-anand.net/blog/tag/recommendation-system/</link>
    <description>Recent content in recommendation-system on S Anand</description>
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    <lastBuildDate>Sun, 17 Apr 2011 20:42:18 +0000</lastBuildDate>
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      <title>Visualising the IMDb</title>
      <link>https://www.s-anand.net/blog/visualising-the-imdb/</link>
      <pubDate>Sun, 17 Apr 2011 20:42:18 +0000</pubDate>
      <guid>https://www.s-anand.net/blog/visualising-the-imdb/</guid>
      <description>&lt;p&gt;The &lt;a href=&#34;http://www.imdb.com/chart/top&#34;&gt;IMDb Top 250&lt;/a&gt;, as a source of movies, dries out quickly. In my case, I’ve &lt;a href=&#34;http://250.s-anand.net/user/root.node@gmail.com&#34;&gt;seen about 175/250&lt;/a&gt;. Not sure how much I want to see the rest.&lt;/p&gt;
&lt;p&gt;When chatting with &lt;a href=&#34;http://en.wikipedia.org/wiki/Col_Needham&#34;&gt;Col Needham&lt;/a&gt; (who’s working his way through every movie with over 40,000 votes), I came up with this as a useful way of finding what movies to watch next.&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb1.webp&#34;&gt;&lt;img alt=&#34;visualising-the-imdb-1&#34; loading=&#34;lazy&#34; src=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb1.webp&#34; title=&#34;visualising-the-imdb-1&#34;&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Each box is one or more movies. Darker boxes mean more movies. Those on the right have more votes.  Those on top have a better rating. The ones I’ve seen are green, the rest are red. (I’ve seen more movies than that – just haven’t marked them green yet :-)&lt;/p&gt;
&lt;p&gt;I think people like to watch the movies on the top right – that popularity compensates (at least partly) for rating, and the number of votes is an indication of popularity.&lt;/p&gt;
&lt;p&gt;For example, &lt;a href=&#34;http://250.s-anand.net/visual/root.node@gmail.com&#34;&gt;my movie pattern&lt;/a&gt; tells me that I ought to see &lt;a href=&#34;http://www.imdb.com/title/tt0317248/&#34;&gt;Cidade de Deus&lt;/a&gt;, &lt;a href=&#34;http://www.imdb.com/title/tt0361748/&#34;&gt;Inglourious Basterds&lt;/a&gt; and &lt;a href=&#34;http://www.imdb.com/title/tt0113277/&#34;&gt;Heat&lt;/a&gt; – which I knew from the &lt;a href=&#34;http://250.s-anand.net/user/root.node@gmail.com&#34;&gt;IMDb Top 250&lt;/a&gt;, but also that I ought to cover &lt;a href=&#34;http://www.imdb.com/title/tt1250777/&#34;&gt;Kick-Ass&lt;/a&gt;, &lt;a href=&#34;http://www.imdb.com/title/tt1119646/&#34;&gt;The Hangover&lt;/a&gt; and &lt;a href=&#34;http://www.imdb.com/title/tt0467406/&#34;&gt;Juno&lt;/a&gt;.&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb2.webp&#34;&gt;&lt;img alt=&#34;visualising-the-imdb-2&#34; loading=&#34;lazy&#34; src=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb2.webp&#34; title=&#34;visualising-the-imdb-2&#34;&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;It’s easy to pick movies in a specific genre as well.&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb3.webp&#34;&gt;&lt;img alt=&#34;visualising-the-imdb-3&#34; loading=&#34;lazy&#34; src=&#34;https://www.s-anand.net/blog/assets/visualisingtheimdb3.webp&#34; title=&#34;visualising-the-imdb-3&#34;&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Clearly, there are many more Comedy movies in the list than any other type – though Romance and Action are doing fine too. And I seem the have a strong preference for the Fantasy genre, in stark contrast to Horror.&lt;/p&gt;
&lt;p&gt;(Incidentally, I’ve given up trying to see &lt;a href=&#34;http://www.imdb.com/title/tt0081505/&#34;&gt;The Shining&lt;/a&gt; after three attempts. &lt;a href=&#34;http://en.wikipedia.org/wiki/Stephen_King&#34;&gt;Stephen King&lt;/a&gt;’s scary enough. The &lt;a href=&#34;http://en.wikipedia.org/wiki/The_Shining_(novel)&#34;&gt;novel&lt;/a&gt; kept me awake checking under my bed for a week at night. Then there’s &lt;a href=&#34;http://en.wikipedia.org/wiki/Stanley_kubrick&#34;&gt;Stanley Kubrick&lt;/a&gt;’s style. &lt;a href=&#34;http://www.imdb.com/title/tt0066921/&#34;&gt;A Clockwork Orange&lt;/a&gt; was disturbing enough, but &lt;a href=&#34;http://en.wikipedia.org/wiki/Haley_Joel_Osment&#34;&gt;Haley Joel Osment&lt;/a&gt; in the first part of &lt;a href=&#34;http://www.imdb.com/title/tt0212720/&#34;&gt;A.I.&lt;/a&gt; was downright scary. Finally, there’s &lt;a href=&#34;http://en.wikipedia.org/wiki/Jack_nicholson&#34;&gt;Jack Nicholson&lt;/a&gt;. Sorry, but I won’t risk that combination on a bright sunny day with the doors open.)&lt;/p&gt;
&lt;p&gt;You can track your list at &lt;a href=&#34;http://250.s-anand.net/visual&#34;&gt;http://250.s-anand.net/visual&lt;/a&gt;.&lt;/p&gt;
&lt;p&gt;For those who want to play with the code, it’s at &lt;a href=&#34;http://code.google.com/p/two-fifty/source/browse/trunk/visual.html&#34;&gt;http://code.google.com/p/two-fifty/source/browse/trunk/visual.html&lt;/a&gt;.&lt;/p&gt;
&lt;hr&gt;
&lt;h2 id=&#34;comments&#34;&gt;Comments&lt;/h2&gt;
&lt;!-- wp-comments-start --&gt;
&lt;ul&gt;
&lt;li&gt;&lt;strong&gt;Umar Sharief&lt;/strong&gt; &lt;em&gt;11 Dec 2011 7:40 am&lt;/em&gt;:
Great Idea&amp;hellip; would have been much more awesome if we were able to select multiple Genres ..&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;a href=&#34;http://thejeshgn.com&#34;&gt;Thejesh GN&lt;/a&gt;&lt;/strong&gt; &lt;em&gt;7 Jul 2011 7:19 am&lt;/em&gt;:
Love it.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;&lt;a href=&#34;http://purplejunction.com/2012/12/25/recommended-movies/&#34;&gt;Recommended Movies | Brian Hurley&#39;s Blog&lt;/a&gt;&lt;/strong&gt; &lt;em&gt;26 Dec 2012 10:34 pm&lt;/em&gt; &lt;em&gt;(pingback)&lt;/em&gt;:
[&amp;hellip;] is another way to find good movies to watch you might have missed, and the link for the visualization [&amp;hellip;]&lt;/li&gt;
&lt;/ul&gt;
&lt;!-- wp-comments-end --&gt;
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    </item>
    <item>
      <title>Netflix prize</title>
      <link>https://www.s-anand.net/blog/netflix-prize/</link>
      <pubDate>Mon, 02 Oct 2006 12:00:00 +0000</pubDate>
      <guid>https://www.s-anand.net/blog/netflix-prize/</guid>
      <description>&lt;p&gt;Netflix has released a sample of its customers&amp;rsquo; movie ratings at &lt;a href=&#34;http://www.netflixprize.com/&#34;&gt;Netflix Prize&lt;/a&gt;. You can download these (700 MB), create an algorithm that rates the training data, run it against the test data, and see if you can get better ratings than their algorithm. If you do, you win $1 million. (Chris Anderson &lt;a href=&#34;http://www.longtail.com/the_long_tail/2006/10/why_better_dvd_.html&#34;&gt;explains why&lt;/a&gt;.)&lt;/p&gt;
</description>
    </item>
    <item>
      <title>Live Plasma</title>
      <link>https://www.s-anand.net/blog/live-plasma/</link>
      <pubDate>Tue, 04 Apr 2006 12:00:00 +0000</pubDate>
      <guid>https://www.s-anand.net/blog/live-plasma/</guid>
      <description>&lt;p&gt;&lt;a href=&#34;http://www.liveplasma.com/&#34;&gt;Live Plasma&lt;/a&gt;. An interesting way to explore music and movies. Great visual design too.&lt;/p&gt;
</description>
    </item>
    <item>
      <title>Findory</title>
      <link>https://www.s-anand.net/blog/findory/</link>
      <pubDate>Sun, 27 Feb 2005 12:00:00 +0000</pubDate>
      <guid>https://www.s-anand.net/blog/findory/</guid>
      <description>&lt;p&gt;&lt;a href=&#34;http://findory.com/&#34;&gt;Findory&lt;/a&gt;. Their site says:&lt;/p&gt;
&lt;blockquote&gt;
&lt;ol&gt;
&lt;li&gt;Just click on the articles which interest you. No signup required.&lt;/li&gt;
&lt;li&gt;The more you click, the more personalized your Findory homepage will be.&lt;/li&gt;
&lt;li&gt;Enjoy a great Personalized newspaper!&lt;/li&gt;
&lt;/ol&gt;
&lt;/blockquote&gt;
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