The site presents a hierarchical organization for Wikipedia articles with respect to their semantic similarity and provides search and navigation facilities over the hierarchy. The hierarchy is constructed as a recursive division of the English Wikipedia graph into dense subgraphs (graph communities) and can be considered as an extension to the Wikipedia category structure. Unlike Wikipedia categories that are primarily authored by humans, the community hierarchy is fully automatic, purely link-based and reflects the global link structure of Wikipedia.
Michel Bauwens (born 21 March 1958) is a Belgian integral philosopher and Peer-to-Peer theorist. He has worked as an internet consultant, information analyst for the United States Information Agency, information manager for British Petroleum (where he created one of the first virtual information centers), and is former editor-in-chief of the first European digital convergence magazine, the Dutch language Wave.
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U. Brandes, P. Kenis, J. Lerner, and D. van Raaij. WWW '09: Proceedings of the 18th international conference on World wide web, page 731--740. New York, NY, USA, ACM, (2009)