Grad: Guided Relation Diffusion Generation for Graph Augmentation in Graph Fraud Detection
Grad: 图神经网络在图欺诈检测中的引导关系扩散生成用于图增强
机构 * Tongji University Shanghai China ; The University of New South Wales Sydney Australia ; Tongji University \& Shanghai Artificial Intelligence Laboratory Shanghai China ; Wechat Pay, Tencent Inc. Shenzhen China ; Tongji University ; The University of New South Wales ; Tongji University \& Shanghai Artificial Intelligence Laboratory ; Wechat Pay, Tencent Inc.
AI总结 Grad通过引导关系扩散生成和监督图对比学习,提升图欺诈检测中欺诈与良性用户差异,有效识别隐藏欺诈信号。
Comments Accepted by The Web Conference 2025 (WWW'25). 12 pages, includes implementation details. Code: https://github.com/AI4Risk/antifraud and https://github.com/Muyiiiiii/WWW25-Grad
Journal ref Proceedings of the ACM Web Conference 2025 (WWW '25), April 28-May 2, 2025, Sydney, NSW, Australia