2 papers
cs.LG2024
Semi-supervised Credit Card Fraud Detection via Attribute-Driven Graph Representation
Sheng Xiang, Mingzhi Zhu, Dawei Cheng +5
Credit card fraud incurs a considerable cost for both cardholders and issuing banks. Contemporary methods apply machine learning-based classifiers to detect fraudulent behavior fro…
cs.LG2024
Generation is better than Modification: Combating High Class Homophily Variance in Graph Anomaly Detection
Rui Zhang, Dawei Cheng, Xin Liu +4
Graph-based anomaly detection is currently an important research topic in the field of graph neural networks (GNNs). We find that in graph anomaly detection, the homophily distribu…