Search Results for author: Lianyun Li

Found 2 papers, 1 papers with code

Self-supervised Graph Representation Learning for Black Market Account Detection

no code implementations • 6 Dec 2022 • Zequan Xu, Lianyun Li, Hui Li, Qihang Sun, Shaofeng Hu, Rongrong Ji

This paper illustrates our BMA detection system SGRL (Self-supervised Graph Representation Learning) used in WeChat, a representative MMMA with over a billion users.

Attribute Graph Representation Learning +1

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Attacking Recommender Systems with Augmented User Profiles

2 code implementations • 17 May 2020 • Chen Lin, Si Chen, Hui Li, Yanghua Xiao, Lianyun Li, Qian Yang

Recommendation Systems (RS) have become an essential part of many online services.

Adversarial Attack Generative Adversarial Network +1

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