2007
DOI: 10.1103/physreve.76.056709
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Fast algorithm for successive computation of group betweenness centrality

Abstract: In this paper, we propose a method for rapid computation of group betweenness centrality whose running time (after preprocessing) does not depend on network size. The calculation of group betweenness centrality is computationally demanding and, therefore, it is not suitable for applications that compute the centrality of many groups in order to identify new properties. Our method is based on the concept of path betweenness centrality defined in this paper. We demonstrate how the method can be used to find the … Show more

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Cited by 66 publications
(70 citation statements)
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“…For example, after the traffic assignment process is complete, it is difficult to reproduce the portion of the traffic flow shared by two arbitrary links. This problem can be efficiently tackled by employing the data structure maintained for efficient calculation of group betweenness centrality (Puzis et al, 2007a).…”
Section: Traffic Assignmentmentioning
confidence: 99%
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“…For example, after the traffic assignment process is complete, it is difficult to reproduce the portion of the traffic flow shared by two arbitrary links. This problem can be efficiently tackled by employing the data structure maintained for efficient calculation of group betweenness centrality (Puzis et al, 2007a).…”
Section: Traffic Assignmentmentioning
confidence: 99%
“…GBC can be efficiently computed using the algorithm presented in (Puzis et al, 2007a time complexity of computing GBC of a single group (M) is O(|M| 3 ). Note that the time required to compute GBC of a single group does not depend on the size of the network.…”
Section: Betweenness and Group Betweenness Centralitymentioning
confidence: 99%
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“…The two most known measures of this type are the flow-betweenness centrality [3,6,11] and the random walk betweenness centrality [6,19]. Moreover, there are two important generalizations of the betweenness centrality, namely group betweenness [9,21,22] which identifies groups of vertices which have collective influence in a network, as well as routing betweenness [8] which considers network flows created by arbitrary loop-free routing strategies.…”
Section: Introductionmentioning
confidence: 99%
“…(2) While Q is not empty: Brandes (2008). A different algorithm that efficiently computes the GBC of many groups on the same network was proposed by Puzis et al (2007b).…”
mentioning
confidence: 99%