Dataset Open Access

The Collaborative Organization of Knowledge: Data Set

Spinellis, Diomidis; Louridas, Panos


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<resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4.1/metadata.xsd">
  <identifier identifierType="DOI">10.5281/zenodo.2526703</identifier>
  <creators>
    <creator>
      <creatorName>Spinellis, Diomidis</creatorName>
      <givenName>Diomidis</givenName>
      <familyName>Spinellis</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-4231-1897</nameIdentifier>
      <affiliation>Athens University of Economics and Business</affiliation>
    </creator>
    <creator>
      <creatorName>Louridas, Panos</creatorName>
      <givenName>Panos</givenName>
      <familyName>Louridas</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-3971-4612</nameIdentifier>
      <affiliation>Athens University of Economics and Business</affiliation>
    </creator>
  </creators>
  <titles>
    <title>The Collaborative Organization of Knowledge: Data Set</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2008</publicationYear>
  <subjects>
    <subject>Replication package</subject>
    <subject>Wikipedia</subject>
    <subject>Evolution</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2008-06-03</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/2526703</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsSupplementTo">10.1145/1378704.1378720</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsSupplementTo">10.5281/zenodo.2526733</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.2526702</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/zenodo</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&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;</description>
  </descriptions>
</resource>
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