Efficiently Answering k-hop Reachability Queries in Large Dynamic Graphs for Fraud Feature Extraction. - Zequan Xu; Siqiang Luo; Jieming Shi 001; Hui Li 057; Chen Lin 001; Qihang Sun; Shaofeng Hu (MDM, 2022)

Multi-view Heterogeneous Temporal Graph Neural Network for "Click Farming" Detection. - Zequan Xu; Qihang Sun; Shaofeng Hu; Jiguang Qiu; Chen Lin 001; Hui Li 057 (PRICAI (1), 2022)

Self-supervised Graph Representation Learning for Black Market Account Detection. - Zequan Xu; Lianyun Li; Hui Li 057; Qihang Sun; Shaofeng Hu; Rongrong Ji (WSDM, 2023)

Crowdsourcing Fraud Detection Over Heterogeneous Temporal MMMA Graph. - Zequan Xu; Qihang Sun; Shaofeng Hu; Jieming Shi 001; Hui Li 057 (DASFAA (7), 2024)