Identifying sets of key players in a social network

Stephen P. Borgatti ()
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Stephen P. Borgatti: Boston College

Computational and Mathematical Organization Theory, 2006, vol. 12, issue 1, No 3, 34 pages

Abstract: Abstract A procedure is described for finding sets of key players in a social network. A key assumption is that the optimal selection of key players depends on what they are needed for. Accordingly, two generic goals are articulated, called KPP-POS and KPP-NEG. KPP-POS is defined as the identification of key players for the purpose of optimally diffusing something through the network by using the key players as seeds. KPP-NEG is defined as the identification of key players for the purpose of disrupting or fragmenting the network by removing the key nodes. It is found that off-the-shelf centrality measures are not optimal for solving either generic problem, and therefore new measures are presented.

Keywords: Social networks; Centrality; Cohesion (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (117)

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DOI: 10.1007/s10588-006-7084-x

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