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cs.LG2024
VecAug: Unveiling Camouflaged Frauds with Cohort Augmentation for Enhanced Detection
Fei Xiao, Shaofeng Cai, Gang Chen +3
Fraud detection presents a challenging task characterized by ever-evolving fraud patterns and scarce labeled data. Existing methods predominantly rely on graph-based or sequence-ba…
cs.LG2023★ 23 cited
METER: A Dynamic Concept Adaptation Framework for Online Anomaly Detection
Jiaqi Zhu, Shaofeng Cai, Fang Deng +2
Real-time analytics and decision-making require online anomaly detection (OAD) to handle drifts in data streams efficiently and effectively. Unfortunately, existing approaches are…