Grounding language models with deterministic verifiers for fraud detection
VR-FraudNet, a five-stage framework combining a time-conditioned spectral graph encoder, LightGBM triage and threshold routing, a schema-constrained rationale language model, a fixed deterministic verifier, and an isotonic probability mixer with split-conformal calibration, does not establish universal adversarial safe...
Md Sultanul Arefin Sourav, Evha Rozario, Md Ashiqul Islam et al.
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