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Author

Kevin Liu

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Open access Jul 2026

DriftGuard-HCL: Concept-Drift-Aware Continual Heterogeneous Graph Contrastive Learning for Evolving Financial Fraud Detection

Dr DriftGuard-HCL is presented, a continual heterogeneous graph-contrastive framework that combines a scalable typed graph-context encoder, semantic-group contrastive regularization, delayed-label replay, and a relation-support-aware drift gate that supports the value of drift-gated adaptation while not constituting ev...

Kevin Liu · 0 citations

Driftuard -HCL: Concept-Drift-Aware Continual Heterogeneous raph Contrastive Learning for Evolving Financial Fraud Detection

Dr DriftGuard-HCL is presented, a continual heterogeneous graph-contrastive framework that combines a scalable typed graph-context encoder, semantic-group contrastive regularization, delayed-label replay, and a relation-support-aware drift gate to support the value of drift-gated adaptation while not constituting evide...

Kevin Liu · 0 citations

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