June 26, 2008 Software Open Access

Spinellis, Diomidis; Louridas, Panos

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    <subfield code="a">&lt;p&gt;Wikipedia is an ongoing endeavor to create a free encyclopedia through an open computer-mediated collaborative effort. How does Wikipedia grow and maintain its coverage? This page contains supporing material relevant to a publication that examines this question.&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Diomidis Spinellis and Panagiotis Louridas. The collaborative organization of knowledge. Communications of the ACM, 51(8):68&amp;ndash;73, August 2008. (&lt;a href="http://dx.doi.org/10.1145/1378704.1378720"&gt;doi:10.1145/1378704.1378720&lt;/a&gt;)&lt;/li&gt;
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&lt;p&gt;In the above paper, a longitudinal study of Wikipedia&amp;#39;s evolution shows that although Wikipedia&amp;#39;s scope is increasing, its coverage is not deteriorating. This can be explained by the fact that referring to an non-existing entry typically leads to the establishment of an article for it. Wikipedia&amp;#39;s evolution also demonstrates the creation of a large real world scale-free graph through a combination of incremental growth and preferential attachment.&lt;/p&gt;

&lt;p&gt;See also the comments appearing in a corresponding &lt;a href="http://www.spinellis.gr/blog/20080730/"&gt;blog entry&lt;/a&gt; and &lt;a href="http://www.spinellis.gr/blog/20080808/"&gt;an update&lt;/a&gt; containing an analysis of two more years (2006-2007).&lt;/p&gt;

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