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A genetic algorithm for community detection in complex networks

delete2013-05-04
delete40
PRE
AI
Y
Yun Li *
刘
刘刚 (Gang Liu)
S
Songyang Lao
DOI:10.1007/s11771-013-1611-ydelete
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摘要

摘要

En 中文
A new genetic algorithm for community detection in complex networks was proposed. It adopts matrix encoding that enables traditional crossover between individuals. Initial populations are generated using nodes similarity, which enhances the diversity of initial individuals while retaining an acceptable level of accuracy, and improves the efficiency of optimal solution search. Individual crossover is based on the quality of individuals' genes; all nodes unassigned to any community are grouped into a new community, while ambiguously placed nodes are assigned to the community to which most of their neighbors belong. Individual mutation, which splits a gene into two new genes or randomly fuses it into other genes, is non-uniform. The simplicity and effectiveness of the algorithm are revealed in experimental tests using artificial random networks and real networks. The accuracy of the algorithm is superior to that of some classic algorithms, and is comparable to that of some recent high-precision algorithms.
Keyword:
complex networks
community detection
genetic algorithm
matrix encoding
nodes similarity

期刊

Journal of Central South University 封面图
Journal of Central South University
IF:
4.4
论文数:
5.2K
被引数:
1.0W

机构

N
national university of defense technology - china
学者数:
1.8W
论文数: 1.4W
被引数: 9
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