Abstract

Community detection is of great importance for understanding graph structure in social networks. The communities in real-world networks are often overlapped, i.e. some nodes may be a member of multiple clusters. How to uncover the overlapping communities/clusters in a complex network is a general problem in data mining of network data sets. In this paper, a novel algorithm to identify overlapping communities in complex networks by a combination of an evidential modularity function, a spectral mapping method and evidential c-means clustering is devised. Experimental results indicate that this detection approach can take advantage of the theory of belief functions, and preforms good both at detecting community structure and determining the appropriate number of clusters. Moreover, the credal partition obtained by the proposed method could give us a deeper insight into the graph structure.

Keywords

Evidential modularity Evidential c-means Overlapping communities Credal partition 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Kuang Zhou
    • 1
    • 2
  • Arnaud Martin
    • 2
  • Quan Pan
    • 1
  1. 1.School of AutomationNorthwestern Polytechnical UniversityXi’anP.R. China
  2. 2.IRISA, University of Rennes 1LannionFrance

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