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Yanmei Peng

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#graph neural networks Open access Oct 2026

CTH-RiskGNN

Credit card fraud detection has become increasingly challenging because modern financial transactions are highly heterogeneous, temporally evolving, structurally connected, and severely imbalanced. To address these challenges, this paper proposes CTH-RiskGNN, a causal temporal heterogeneous graph neural network designe...

Yanmei Peng · 0 citations

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