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Physics > Physics and Society

Title: Recognizing number of communities and detecting community structures in complex networks

Abstract: Recognizing number of communities and detecting community structures of complex network are discussed in this paper. As a visual and feasible algorithm, block model has been successfully applied to detect community structures in complex network. In order to measure the quality of the block model, we first define an objective function WQ value. For obtaining block model B of a network, GSA algorithm is applied to optimize WQ with the help of random keys. After executing processes AO (Adding Ones) and RO (Removing Ones) on block model B, the number of communities of a network can be recognized distinctly. Furthermore, based on the advantage of block model that its sort order of nodes is in correspondence with sort order of communities, so a new fuzzy boundary algorithm for detecting community structures is proposed and successfully applied to some representative networks. Finally, experimental results demonstrate the feasibility of the proposed algorithm.
Subjects: Physics and Society (physics.soc-ph); Social and Information Networks (cs.SI)
Cite as: arXiv:1803.06591 [physics.soc-ph]
  (or arXiv:1803.06591v1 [physics.soc-ph] for this version)

Submission history

From: Hongjue Wang [view email]
[v1] Sun, 18 Mar 2018 01:24:28 GMT (5209kb)