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Journal Article: BibTeX citation key:  capocci.570
Capocci Andrea, Servedio Vito & Colaiori F. et al. (2006). « Preferential attachment in the growth of social networks : The internet encyclopedia Wikipedia ». Physical Review E, vol. 74, n° 3.
Added by: Laure Endrizzi 2006-10-31 16:58:30    Last edited by: Laure Endrizzi 2007-12-12 19:11:08
Categories: 5. économie et modèles éditoriaux
Keywords: intelligence collective, régulation, statistiques, structuration des savoirs, travail collaboratif, Wikipedia
Creators: Buriol, Caldarelli, Capocci, Colaiori, Donato, Leonardi, Servedio
Collection: Physical Review E

Number of views:  1437
Popularity index:  12%

 
Abstract
We present an analysis of the statistical properties and growth of the free on-line encyclopedia Wikipedia. By describing topics by vertices and hyperlinks between them as edges, we can represent this encyclopedia as a directed graph. The topological properties of this graph are in close analogy with that of the World Wide Web, despite the very different growth mechanism. In particular we measure a scale--invariant distribution of the in-- and out-- degree and we are able to reproduce these features by means of a simple statistical model. As a major consequence, Wikipedia growth can be described by local rules such as the preferential attachment mechanism, though users can act globally on the network.
Added by: Laure Endrizzi    Last edited by: Laure Endrizzi

 
Further information may be found at:
http://link.aps.org/doi/10.1103/PhysRevE.74.036116

 
Notes

Added by: Laure Endrizzi    Last edited by: Laure Endrizzi

 
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