2 papers
cs.AI2026
Reconstructing Fraudulent Strategies in Online Payments via Interpretable Inverse Reinforcement Learning
Huilin He, Weiyu Han, Linbo Shao +4
Payment fraud causes financial losses and undermines users' trust in web payment services. Although fraud detection is a critical defense for payment security, complex and diverse…
cs.AI2026
Behavior-Grounded Semantic Enrichment for Financial Fraud Modeling and Reasoning
Linbo Shao, Huilin He, Yating Lou +1
In financial fraud detection, rich semantic context can provide important evidence for transaction behavior modeling and fraud reasoning. However, public real-world financial datas…