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- W2170141208 abstract "There have been considerable efforts in the literature towards understanding and modeling dynamic aspects of scientific communities. Despite the great interest, little is known about the role that different members play in the formation of the underlying network structure of such communities. In this paper, we provide a wide investigation of the roles that members of the core of scientific communities play in the collaboration network structure formation and evolution. To do that, we define a community core based on an individual metric, core score, which is an h-index derived metric that captures both, the prolificness and the involvement of researchers in a community. Our results provide a number of key observations related to community formation and evolving patterns. Particularly, we show that members of the community core work as bridges that connect smaller clustered research groups. Furthermore, these members are responsible for an increase in the average degree of the whole community underlying network and a decrease on the overall network assortativeness. More important, we note that variations on the members of the community core tend to be strongly correlated with variations on these metrics. We argue that our observations are important for shedding a light on the role of key members on community formation and structure." @default.
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- W2170141208 date "2013-05-13" @default.
- W2170141208 modified "2023-09-27" @default.
- W2170141208 title "The role of research leaders on the evolution of scientific communities" @default.
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- W2170141208 doi "https://doi.org/10.1145/2487788.2488016" @default.
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