Author

Kaniz Sultana Chy

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#small language model Review Oct 2026

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. · Discover Artificial Intellig... · 0 citations

Open access Sep 2026

TEMPLAR fraud a verifier grounded calibrated and cost sensitive framework for transaction fraud detection

Transaction fraud detection remains difficult because fraudulent events are highly imbalanced, temporally drifting, cost asymmetric, and often supported by limited auditability in model decisions. Existing tabular, tree-based, and deep fraud detectors can achieve strong predictive performance, but they often provide we...

Mohammad Sazzad Hossain, Samia Akter, Kaniz Sultana Chy et al. · Discover Data · 0 citations