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arXiv 2103.09351cs.SImath.OC
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基于模块度的网络边集优化生成真值社区

Optimizing Edge Sets in Networks to Produce Ground Truth Communities Based on Modularity

Daniel Kosmas, John E. Mitchell, Thomas C. Sharkey, Boleslaw K. Szymanski

摘要:

我们考虑两个新的问题,边添加或删除的模块化的分区(或社区结构)在网络中的影响。第一个问题寻求添加边以强制所需的分区是最大化模块性的分区。第二个问题寻求找到一个网络的稀疏表示,该网络具有与原始网络相同的具有最大模块度的划分。我们提出了整数规划公式、行生成算法和启发式算法来解决这些问题。此外,我们还展示了模块化的反直觉行为,这使得一般网络的开发变得困难。然后,我们提出了从文献中选择的社会和非法网络的结果。

英文摘要:

We consider two new problems regarding the impact of edge addition or removal on the modularity of partitions (or community structures) in a network. The first problem seeks to add edges to enforce that a desired partition is the partition that maximizes modularity. The second problem seeks to find the sparsest representation of a network that has the same partition with maximum modularity as the original network. We present integer programming formulations, a row generation algorithm, and heuristic algorithms to solve these problems. Further, we demonstrate a counter-intuitive behavior of modularity that makes the development of heuristics for general networks difficult. We then present results on a selection of social and illicit networks from the literature.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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