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Community detection in networks based on minimum spanning tree and modularity

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  • Saoud, Bilal
  • Moussaoui, Abdelouahab

Abstract

In this paper we propose a novel splitting and merging method for community detection in which a minimum spanning tree (MST) of dissimilarity between nodes in graph is employed. In the splitting process, edges with high dissimilarity in the MST are removed to construct small disconnected subgroups of nodes from the same community. In the merging process, subgroup pairs are iteratively merged to identify the final community structure maximizing the modularity. The proposed method requires no parameter. We provide a general framework for implementing such a method. Experimental results obtained by applying the method on computer-generated networks and different real-world networks show the effectiveness of the proposed method.

Suggested Citation

  • Saoud, Bilal & Moussaoui, Abdelouahab, 2016. "Community detection in networks based on minimum spanning tree and modularity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 460(C), pages 230-234.
    • Handle: RePEc:eee:phsmap:v:460:y:2016:i:c:p:230-234
    DOI: 10.1016/j.physa.2016.05.014
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    Citations

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    Cited by:

    1. Shi, Yongbin & Li, Le & Wang, Yougui & Chen, Jiawei & Stanley, H. Eugene, 2019. "A study of Chinese regional hierarchical structure based on surnames," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 518(C), pages 169-176.
    2. Bilal, Saoud & Abdelouahab, Moussaoui, 2017. "Evolutionary algorithm and modularity for detecting communities in networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 473(C), pages 89-96.
    3. Dabaghi Zarandi, Fataneh & Kuchaki Rafsanjani, Marjan, 2018. "Community detection in complex networks using structural similarity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 503(C), pages 882-891.
    4. Moradi, Mehdi & Parsa, Saeed, 2019. "An evolutionary method for community detection using a novel local search strategy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 523(C), pages 457-475.

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