Wikipedias: collaborative web-based encyclopedias as complex networks.

@article{Zlatic2006WikipediasCW,
  title={Wikipedias: collaborative web-based encyclopedias as complex networks.},
  author={Vinko Zlatic and Miran Bozicevic and Hrvoje Stefancic and Mladen Domazet},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2006},
  volume={74 1 Pt 2},
  pages={
          016115
        }
}
Wikipedia is a popular web-based encyclopedia edited freely and collaboratively by its users. In this paper we present an analysis of Wikipedias in several languages as complex networks. The hyperlinks pointing from one Wikipedia article to another are treated as directed links while the articles represent the nodes of the network. We show that many network characteristics are common to different language versions of Wikipedia, such as their degree distributions, growth, topology, reciprocity… 
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