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cs.LG2024
Global Confidence Degree Based Graph Neural Network for Financial Fraud Detection
Jiaxun Liu, Yue Tian, Guanjun Liu
Graph Neural Networks (GNNs) are widely used in financial fraud detection due to their excellent ability on handling graph-structured financial data and modeling multilayer connect…
cs.LG2023★ 5 cited
Transaction Fraud Detection via an Adaptive Graph Neural Network
Yue Tian, Guanjun Liu, Jiacun Wang +1
Many machine learning methods have been proposed to achieve accurate transaction fraud detection, which is essential to the financial security of individuals and banks. However, mo…
cs.LG2023
Enhancing the Robustness of QMIX against State-adversarial Attacks
Weiran Guo, Guanjun Liu, Ziyuan Zhou +2
Deep reinforcement learning (DRL) performance is generally impacted by state-adversarial attacks, a perturbation applied to an agent's observation. Most recent research has concent…