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<p>The problem of collaborative spamming in e-commerce is gradually increasing, and traditional spammer group detection algorithms usually seem cumbersome and time-consuming when dealing with massive user review data. Thus, this research proposes a spammer group detection algorithm based on cascading and clustering of core figures. First, we extract user evaluation features to identify core figures. Then, we use four user interaction features to assess user collusion degree, construct a weighted homogeneous graph by cascading neighbor nodes around core figures, and apply the Louvain weighted clustering algorithm to obtain candidate groups. Finally, we classify candidate groups based on group spam features. Experimental results based on the Amazon reviews dataset demonstrate the algorithm's effectiveness in identifying groups of spammers.</p>

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Spammer group detection based on cascading and clustering of core figures

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月17日

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  • Qianqian Jiang,
  • Chunrong Zhang,
  • Ning Li,
  • Dickson K. W. Chiu,
  • Xianwen Fang,
  • Shujuan Ji

摘要

The problem of collaborative spamming in e-commerce is gradually increasing, and traditional spammer group detection algorithms usually seem cumbersome and time-consuming when dealing with massive user review data. Thus, this research proposes a spammer group detection algorithm based on cascading and clustering of core figures. First, we extract user evaluation features to identify core figures. Then, we use four user interaction features to assess user collusion degree, construct a weighted homogeneous graph by cascading neighbor nodes around core figures, and apply the Louvain weighted clustering algorithm to obtain candidate groups. Finally, we classify candidate groups based on group spam features. Experimental results based on the Amazon reviews dataset demonstrate the algorithm's effectiveness in identifying groups of spammers.