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Centrality Measures Based on Current Flow

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Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3404))

Abstract

We consider variations of two well-known centrality measures, betweenness and closeness, with a different model of information spread. Rather than along shortest paths only, it is assumed that information spreads efficiently like an electrical current. We prove that the current-flow variant of closeness centrality is identical with another known measure, information centrality, and give improved algorithms for computing both measures exactly. Since running times and space requirements are prohibitive for large networks, we also present a randomized approximation scheme for current-flow betweenness.

Research partially supported by DFG under grant Br~2158/1-2.

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© 2005 Springer-Verlag Berlin Heidelberg

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Brandes, U., Fleischer, D. (2005). Centrality Measures Based on Current Flow. In: Diekert, V., Durand, B. (eds) STACS 2005. STACS 2005. Lecture Notes in Computer Science, vol 3404. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31856-9_44

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  • DOI: https://doi.org/10.1007/978-3-540-31856-9_44

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-24998-6

  • Online ISBN: 978-3-540-31856-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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