Dataset Open Access

The Collaborative Organization of Knowledge: Data Set

Spinellis, Diomidis; Louridas, Panos


MARC21 XML Export

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  <leader>00000nmm##2200000uu#4500</leader>
  <datafield tag="041" ind1=" " ind2=" ">
    <subfield code="a">eng</subfield>
  </datafield>
  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Replication package</subfield>
  </datafield>
  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Wikipedia</subfield>
  </datafield>
  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Evolution</subfield>
  </datafield>
  <controlfield tag="005">20200124192523.0</controlfield>
  <controlfield tag="001">2526703</controlfield>
  <datafield tag="700" ind1=" " ind2=" ">
    <subfield code="u">Athens University of Economics and Business</subfield>
    <subfield code="0">(orcid)0000-0002-3971-4612</subfield>
    <subfield code="a">Louridas, Panos</subfield>
  </datafield>
  <datafield tag="856" ind1="4" ind2=" ">
    <subfield code="s">105598743</subfield>
    <subfield code="z">md5:d7c533b075894084627895aaecc80c37</subfield>
    <subfield code="u">https://zenodo.org/record/2526703/files/full.out.bz2</subfield>
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    <subfield code="l">open</subfield>
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    <subfield code="c">2008-06-03</subfield>
  </datafield>
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    <subfield code="p">openaire_data</subfield>
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    <subfield code="o">oai:zenodo.org:2526703</subfield>
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    <subfield code="u">Athens University of Economics and Business</subfield>
    <subfield code="0">(orcid)0000-0003-4231-1897</subfield>
    <subfield code="a">Spinellis, Diomidis</subfield>
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    <subfield code="a">The Collaborative Organization of Knowledge: Data Set</subfield>
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    <subfield code="a">user-zenodo</subfield>
  </datafield>
  <datafield tag="540" ind1=" " ind2=" ">
    <subfield code="u">https://creativecommons.org/licenses/by/4.0/legalcode</subfield>
    <subfield code="a">Creative Commons Attribution 4.0 International</subfield>
  </datafield>
  <datafield tag="650" ind1="1" ind2="7">
    <subfield code="a">cc-by</subfield>
    <subfield code="2">opendefinition.org</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
    <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;
&lt;/ul&gt;

&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;Though this data set you can download the processed results. The file starts with a header giving various attributes of the processed data set.&lt;/p&gt;

&lt;pre&gt;% Number of bins: 72
% Total revisions: 28247658
% Maximum revisions: 28273 (George W. Bush)
% Maximum reverts: 9218 (George W. Bush)
% Number of moves: 81380
% Total pages: 1898139
% Revisions from IP addresses: 8518913
% Total contributors: 230130
% Maximum different contributors: 2539 (George W. Bush)
% Redirected pages: 631567
% Restricted pages: 2441
% Maximum number of contained references: 17577 (List of all three letter acrony
ms)
% Pages with at least one revert: 211704
% Total number of reverts across all pages: 1147151
% Total time between reverts: 54524346346
% Moved pages: 80332
&lt;/pre&gt;

&lt;p&gt;Next comes one line of data for each one of Wikipedia&amp;#39;s entries. Here is an example.&lt;/p&gt;

&lt;pre&gt;A (musical note):1128386876:Mailer diablo:1130566991:MrD9:10:7:18:0:0:0:0:0:0:0:
0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:
0:0:0:0:0:0:0:0:0:0:0:1:1:1:2:2:2:2:2:2:2:2:2:2:2:2:E
&lt;/pre&gt;

&lt;p&gt;Each line contains the following fields.&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Entry name&lt;/li&gt;
	&lt;li&gt;Time of first definition (in seconds since Unix epoch)&lt;/li&gt;
	&lt;li&gt;Name of the contributor who first defined the entry&lt;/li&gt;
	&lt;li&gt;Time of first reference (in seconds since Unix epoch)&lt;/li&gt;
	&lt;li&gt;Name of the contributor who first referenced the entry&lt;/li&gt;
	&lt;li&gt;Number of references&lt;/li&gt;
	&lt;li&gt;Number of contributors&lt;/li&gt;
	&lt;li&gt;Number of revisions&lt;/li&gt;
	&lt;li&gt;Number of reverts&lt;/li&gt;
	&lt;li&gt;For each one of the time period bins (72 in this file) the number of references to the entry&lt;/li&gt;
	&lt;li&gt;The letter &amp;quot;E&amp;quot;&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;The fields are colon-separated. Colons in the input data are converted to an underscore.&lt;/p&gt;

&lt;p&gt;Finally, come lines summarizing the data set&amp;#39;s characteristics for each time period. Here is an example.&lt;/p&gt;

&lt;pre&gt;2001-07-01 4851 0  27106   15129        13458   531
&lt;/pre&gt;

&lt;p&gt;Each line contains the following fields.&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Start date of this period&lt;/li&gt;
	&lt;li&gt;Number of entries&lt;/li&gt;
	&lt;li&gt;Number of entries that are stubs&lt;/li&gt;
	&lt;li&gt;Number of references&lt;/li&gt;
	&lt;li&gt;Number of referenced articles&lt;/li&gt;
	&lt;li&gt;Number of undefined entries&lt;/li&gt;
	&lt;li&gt;Number of active contributors in this period&lt;/li&gt;
&lt;/ul&gt;</subfield>
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    <subfield code="a">10.1145/1378704.1378720</subfield>
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    <subfield code="n">doi</subfield>
    <subfield code="i">isSupplementTo</subfield>
    <subfield code="a">10.5281/zenodo.2526733</subfield>
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    <subfield code="n">doi</subfield>
    <subfield code="i">isVersionOf</subfield>
    <subfield code="a">10.5281/zenodo.2526702</subfield>
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    <subfield code="a">10.5281/zenodo.2526703</subfield>
    <subfield code="2">doi</subfield>
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    <subfield code="a">dataset</subfield>
  </datafield>
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