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Web Intelligence, IEEE / WIC / ACM International Conference on (2006)
Hong Kong, China
Dec. 18, 2006 to Dec. 22, 2006
ISBN: 0-7695-2747-7
pp: 45-51
Luciana S. Buriol , Universita di Roma "La Sapienza", Italy
Carlos Castillo , Universita di Roma "La Sapienza", Italy; Universitat Pompeu Fabra, Spain
Debora Donato , Universita di Roma "La Sapienza", Italy
Stefano Leonardi , Universita di Roma "La Sapienza", Italy
Stefano Millozzi , Universita di Roma "La Sapienza", Italy
Wikipedia is an online encyclopedia, available in more than 100 languages and comprising over 1 million articles in its English version. If we consider each Wikipedia article as a node and each hyperlink between articles as an arc we have a "Wikigraph", a graph that represents the link structure of Wikipedia. The Wikigraph differs from other Web graphs studied in the literature by the fact that there are explicit timestamps associated with each node's events. This allows us to do a detailed analysis of the Wikipedia evolution over time. In the first part of this study we characterize this evolution in terms of users, editions and articles; in the second part, we depict the temporal evolution of several topological properties of the Wikigraph. The insights obtained from the Wikigraphs can be applied to large Web graphs from which the temporal data is usually not available
encyclopaedias, graph theory, Web sites

L. S. Buriol, C. Castillo, D. Donato, S. Leonardi and S. Millozzi, "Temporal Analysis of the Wikigraph," 2006 IEEE/WIC/ACM International Conference on Web Intelligence(WI), Hong Kong, 2007, pp. 45-51.
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