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融合用户兴趣偏好与影响力的目标社区发现

刘海姣, 马慧芳, 赵琪琪, 李志欣

刘海姣, 马慧芳, 赵琪琪, 李志欣. 融合用户兴趣偏好与影响力的目标社区发现[J]. 计算机研究与发展, 2021, 58(1): 70-82. DOI: 10.7544/issn1000-1239.2021.20190775
引用本文: 刘海姣, 马慧芳, 赵琪琪, 李志欣. 融合用户兴趣偏好与影响力的目标社区发现[J]. 计算机研究与发展, 2021, 58(1): 70-82. DOI: 10.7544/issn1000-1239.2021.20190775
Liu Haijiao, Ma Huifang, Zhao Qiqi, Li Zhixin. Target Community Detection with User Interest Preferences and Influence[J]. Journal of Computer Research and Development, 2021, 58(1): 70-82. DOI: 10.7544/issn1000-1239.2021.20190775
Citation: Liu Haijiao, Ma Huifang, Zhao Qiqi, Li Zhixin. Target Community Detection with User Interest Preferences and Influence[J]. Journal of Computer Research and Development, 2021, 58(1): 70-82. DOI: 10.7544/issn1000-1239.2021.20190775
刘海姣, 马慧芳, 赵琪琪, 李志欣. 融合用户兴趣偏好与影响力的目标社区发现[J]. 计算机研究与发展, 2021, 58(1): 70-82. CSTR: 32373.14.issn1000-1239.2021.20190775
引用本文: 刘海姣, 马慧芳, 赵琪琪, 李志欣. 融合用户兴趣偏好与影响力的目标社区发现[J]. 计算机研究与发展, 2021, 58(1): 70-82. CSTR: 32373.14.issn1000-1239.2021.20190775
Liu Haijiao, Ma Huifang, Zhao Qiqi, Li Zhixin. Target Community Detection with User Interest Preferences and Influence[J]. Journal of Computer Research and Development, 2021, 58(1): 70-82. CSTR: 32373.14.issn1000-1239.2021.20190775
Citation: Liu Haijiao, Ma Huifang, Zhao Qiqi, Li Zhixin. Target Community Detection with User Interest Preferences and Influence[J]. Journal of Computer Research and Development, 2021, 58(1): 70-82. CSTR: 32373.14.issn1000-1239.2021.20190775

融合用户兴趣偏好与影响力的目标社区发现

基金项目: 国家自然科学基金项目(61762078,61363058,61966004);广西多源信息挖掘与安全重点实验室开放基金项目(MIMS18-08);西北师范大学青年教师能力提升计划项目(NWNU-LKQN2019-2)
详细信息
  • 中图分类号: TP391

Target Community Detection with User Interest Preferences and Influence

Funds: This work was supported by the National Natural Science Foundation of China (61762078, 61363058,61966004), the Research Fund of Guangxi Key Laboratory of Multi-Source Information Mining & Security (MIMS18-08), and the Research Fund of Northwest Normal University Young Teachers Research Capacity Promotion Plan (NWNU-LKQN2019-2).
  • 摘要: 目标社区检测旨在找到符合用户偏好的有凝聚力的社区.然而,所有现有工作要么在很大程度上忽视社区的外部影响,要么不是"基于目标的",即不适合目标请求.为了解决这一问题,提出面向属性网络的融合用户兴趣偏好与社区影响力的目标社区发现方法,挖掘与用户偏好相关且最具一定影响力的高质量社区.首先,综合节点结构与属性信息,挖掘包含样例节点的极大k-团作为潜在目标社区核心,并设计熵加权属性权重计算方法来捕获潜在目标社区属性子空间权重,挖掘用户偏好;其次,融合社区内部紧密性和外部可分离性定义社区质量函数,以极大k-团为核心扩展得到高质量的潜在目标社区;最后,定义社区的外部影响分数量化办法,并结合社区质量函数值及外部影响分数对所有潜在目标社区排序,输出综合质量较高的社区为目标社区.此外,在计算极大k-团的属性子空间权重时,设计了2重剪枝策略提升方法的性能和效率.在人工网络和真实网络数据集上的实验结果印证了所提方法的效率和有效性.
    Abstract: Target community detection is to find the cohesive communities consistent with user’s preference. However, all the existing works either largely ignore the outer influence of the communities, or not “target-based”, i.e., they are not suitable for a target request. To solve the above problems, in this paper, the target community detection with user interest preferences and influence (TCPI) is proposed to locate the most influential and high-quality community related to user’s preference. Firstly, the node structure and attribute information are synthesized, and maximum k-cliques containing sample nodes are investigated as the core of the potential target community, and an entropy weighted attribute weight calculation method is designed to capture the attribute subspace weight of the potential target community. Secondly, the internal compactness and the external separability of the community is defined as the community quality function and the high-quality potential target community is expanded with each of the maximum k-cliques as the core. Finally, the external impact score of the community is defined, and all potential target communities are ranked according to the quality function and the external impact score of the community, and the communities with higher comprehensive quality are decided as the target communities. In addition, a pruning strategy of two-level is designed to improve the performance and efficiency of the algorithm after calculating the attribute subspace weights of all maximal k-cliques. Experimental results on synthetic networks and real-world network datasets verify the efficiency and effectiveness of the proposed method.
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出版历程
  • 发布日期:  2020-12-31

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