1.中国矿业大学计算机学院,江苏徐州 221116
2.教育部矿山数字化工程研究中心,江苏徐州 221116
3.中国矿业大学图书馆,江苏徐州, 221116
4.中国矿业大学徐海学院,江苏徐州 221008
[ "王志晓 男,1979年生于河南叶县,博士中国矿业大学计算机学院教授、博士生导师.主要研究方向为社交网络分析与数据挖掘.在国内外重要学术期刊与会议上发表学术论文30余篇.E-mail:zhxwang@cumt.edu.cn" ]
[ "张 磊 男,1982年生于江苏泰兴,中国矿业大学计算机学院博士研究生.主要研究方向为社交网络分析和机器学习.E-mail:zhangleixp@126.com" ]
[ "孙成成 男,1993年生于山东邹城,中国矿业大学计算机学院博士研究生,主要研究方向为社会网络分析、图表示学习和数据挖掘.E-mail:scc@cumt.edu.cn" ]
收稿:2020-10-28,
修回:2020-12-30,
纸质出版:2022-03-25
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王志晓,张磊,孙成成等.基于社区划分与连边逆序放回的网络分解算法[J].电子学报,2022,50(03):540-547.
WANG Zhi-xiao,ZHANG Lei,SUN Cheng-cheng,et al.Network Dismantling Algorithm Based on Community Detection and Inverse Reinsertion of Edges[J].ACTA ELECTRONICA SINICA,2022,50(03):540-547.
王志晓,张磊,孙成成等.基于社区划分与连边逆序放回的网络分解算法[J].电子学报,2022,50(03):540-547. DOI: 10.12263/DZXB.20201201.
WANG Zhi-xiao,ZHANG Lei,SUN Cheng-cheng,et al.Network Dismantling Algorithm Based on Community Detection and Inverse Reinsertion of Edges[J].ACTA ELECTRONICA SINICA,2022,50(03):540-547. DOI: 10.12263/DZXB.20201201.
网络分解是通过删除网络中最少规模的节点或者连边,将网络破坏至最大连通分支的规模不超过设定阈值.传统基于节点删除的网络分解算法忽略了删除代价.实际上,节点的删除导致相应连边的删除,代价是不同的.传统基于连边删除的网络分解算法虽然考虑删除代价,但是,无论是迭代计算连边中心性值,还是迭代划分最大连通分量,其性能和效率都亟待改善.本文提出了一种基于社区划分与连边逆序放回的网络分解算法,该算法是一种基于连边删除的方法,包含两个步骤,首先,利用社区划分算法将网络划分为多个社区,删除社区之间的全部连边使社区独立,破坏社区间的连通性;然后,每个社区内部采用连边逆序放回策略破坏其内部连通性,从而完成整个网络的分解.真实网络及人工网络上的实验结果表明:一方面,本文提出的网络分解算法能够以最小的连边删除代价将网络分解至设定阈值;另一方面,随着网络规模、网络结构以及分解阈值的变化,算法展现出良好的稳定性.
Network dismantling aims to find the minimal set of nodes or edges that
if removed
will break the network into small components and the scale of the giant connected component shall not exceed the pre-defined threshold. Traditional node-deleting based methods ignore the cost of deletion. In fact
when we delete a node
the corresponding edges linked to this node should also be deleted. The cost is different. Although traditional edge-deleting based methods take the cost into consideration
performance and efficiency need to be further improved. This paper proposes an edge-deleting based network dismantling algorithm
which contains two stages: community detection and inverse reinsertion of edges. In the first stage
the whole network is divided into different communities by using community detection algorithm and then edges between communities are removed to destroy the connectivity of communities. In the second stage
the strategy of inverse reinsertion of edges is used to destroy the connectivity within each community. Thus
we can dismantle the whole network into pieces. Experiment results on real-world and artificial networks show that
on one hand
our proposed method can dismantle networks by removing a smaller set of edges than that of other state-of-the-art methods. On the other hand
our proposed method exhibits stable performance with the variation of network scale
network structure and the threshold of network dismantling.
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