A faster algorithm for betweenness centrality

@article{Brandes2001AFA,
  title={A faster algorithm for betweenness centrality},
  author={Ulrik Brandes},
  journal={The Journal of Mathematical Sociology},
  year={2001},
  volume={25},
  pages={163 - 177}
}
  • U. Brandes
  • Published 1 June 2001
  • Mathematics
  • The Journal of Mathematical Sociology
Motivated by the fast‐growing need to compute centrality indices on large, yet very sparse, networks, new algorithms for betweenness are introduced in this paper. They require O(n + m) space and run in O(nm) and O(nm + n2 log n) time on unweighted and weighted networks, respectively, where m is the number of links. Experimental evidence is provided that this substantially increases the range of networks for which centrality analysis is feasible. The betweenness centrality index is essential in… Expand
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