Bridging: Locating Critical Connectors in a Network.
Bridging: Locating Critical Connectors in a Network.
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DOI：
10.1016/j.socnet.2010.03.003
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发表时间：
2010-07-01
期刊：
影响因子：
3.1
通讯作者：
Fujimoto, Kayo
中科院分区：
文献类型：
--
作者：
Valente, Thomas W.;Fujimoto, Kayo
This paper proposes several measures for bridging in networks derived from insight that links which reduce distances in a network are important structural bridges. Bridging is calculated by systematically deleting links and calculating the resultant changes in network cohesion (measured as the inverse average path length). The average change for each node's links provides an individual level measure of bridging. We also present a normalized version which controls for network size and a network level bridging index. Bridging properties are demonstrated on hypothetical networks, empirical networks, and a set of 100 randomly generated networks to show how the bridging measure correlates with existing network measures such as degree, personal network density, constraint, closeness centrality, betweenness centrality, and vitality. Bridging and the accompanying methodology provide a family of new network measures useful for studying network structure, network dynamics, and network effects on substantive behavioral phenomenon.
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