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Identifying key players in bipartite networks

Published online by Cambridge University Press:  17 January 2020

Scott W. Duxbury Open the ORCID record for Scott W. Duxbury [Opens in a new window]
Scott W. Duxbury*
Affiliation:
Department of Sociology, University of North Carolina Chapel Hill, 155 Hamilton Hall, 102 Emerson Drive, Chapel Hill, NC27514, USA (email: duxbury.5@osu.edu)
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Abstract

Measures of bipartite network structure have recently gained attention from network scholars. However, there is currently no measure for identifying key players in two-mode networks. This article proposes measures for identifying key players in bipartite networks. It focuses on two measures: fragmentation and cohesion centrality. It extends the centrality measures to bipartite networks by considering (1) cohesion and fragmentation centrality within a one-mode projection, (2) cross-modal cohesion and fragmentation centrality, where a node in one mode is influential in the one-mode projection of the other mode, and (3) cohesion and fragmentation centrality across the entire bipartite structure. Empirical examples are provided for the Southern Women’s data and on the Ndrangheta mafia data.

Keywords

two-mode networkvulnerabilityinfluencecentralitydisruption
Type
Research Article
Information
Network Science , Volume 8 , Issue 1 , March 2020 , pp. 42 - 61
Copyright
© Cambridge University Press 2020

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