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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Four Degrees of Separation · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/1111.4570/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/1111.4570/feed.xml" rel="self" type="application/rss+xml" /><item><title>Four Degrees of Separation — mentioned by ot</title><link>https://news.ycombinator.com/item?id=5214595</link><guid isPermaLink="false">urn:hackerpapers:mention:1111.4570:5214595</guid><pubDate>Wed, 13 Feb 2013 18:08:10 GMT</pubDate><description>&lt;p&gt;Among other things, HyperLogLog was used in the recent computation of Facebook&amp;#x27;s average diameter (&amp;quot;Four degrees of separation&amp;quot; [1]). In this paper Google squeezes out every last bit of precision, using tables to correct the bias and specialized algorithms for small cardinalities. It is an outstanding effort, I guess they use these counters everywhere. [1] http://arxiv.org/abs/1111.4570&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/1111.4570/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>cs.SI</category></item><item><title>Four Degrees of Separation — HN submission</title><link>https://news.ycombinator.com/item?id=3266319</link><guid isPermaLink="false">urn:hackerpapers:submission:1111.4570:3266319</guid><pubDate>Tue, 22 Nov 2011 17:06:11 GMT</pubDate><description>&lt;p&gt;Four Degrees of Separation&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;2 points; 0 discussion replies on HN. &lt;a href="https://hackerpaper.kaipfister.de/p/1111.4570/"&gt;Paper and source history&lt;/a&gt;. A submission is not an endorsement.&lt;/p&gt;</description><category>cs.SI</category></item><item><title>Four Degrees of Separation — HN submission</title><link>https://news.ycombinator.com/item?id=3265444</link><guid isPermaLink="false">urn:hackerpapers:submission:1111.4570:3265444</guid><pubDate>Tue, 22 Nov 2011 13:38:47 GMT</pubDate><description>&lt;p&gt;Facebook study: Four Degrees of Separation&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;3 points; 0 discussion replies on HN. &lt;a href="https://hackerpaper.kaipfister.de/p/1111.4570/"&gt;Paper and source history&lt;/a&gt;. A submission is not an endorsement.&lt;/p&gt;</description><category>cs.SI</category></item></channel></rss>
