A Parallel Algorithm for Computing Betweenness Centrality

  title={A Parallel Algorithm for Computing Betweenness Centrality},
  author={Guangming Tan and Dengbiao Tu and Ninghui Sun},
  journal={2009 International Conference on Parallel Processing},
In this paper we present a multi-grained parallel algorithm for computing betweenness centrality, which is extensively used in large-scale network analysis. Our method is based on a novel algorithmic handling of access conflicts for a CREW PRAM algorithm. We propose a proper data-processor mapping, a novel edge-numbering strategy and a new triple array data structure recording the shortest path for eliminating conflicts to access the shared memory. The algorithm requires $O(n+m)$ space and $O… CONTINUE READING
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