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Roles represent node-level connectivity patterns such as star-center, star-edge nodes, near-cliques or nodes that act as bridges to different regions of the graph. Intuitively, two nodes belong to the same role if they are structurally similar. Roles have been mainly of interest to sociologists, but more recently, roles have become increasingly useful in other domains. Traditionally, the notion of...
Wikipedia, the “free encyclopedia that anyone can edit”, has evolved substantially over the years according to the editors' needs for more coordination and better quality management. In particular, metadata in the form of “templates” added to pages have come to play a critical role, working in a sense like stigmergic “stigmata” or “signals” which editors use to orient the efforts of their colleagues...
Though largely spontaneous and loosely regulated, the process of peer production within online communities is also supplemented by additional coordination mechanisms. In this respect, we study an emergent organizational practice of the Wikipedia community, the use of template messages, which seems to act as effective and parsimonious coordination device to signal quality concerns or other issues that...
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