technique

Selective Classification

techniqueactiveselective-classification-689e8cab·1 events·first seen 27d ago

Aliases: Selective Classification

Co-occurring entities

HIV Suspicion Identification Mondrian Conformal Prediction Multi-Centroid Mahalanobis Distance Clinical NLP

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Recent events (1)

4arXiv · cs.CL·27d ago·source ↗

Risk-Aware Hybrid Selective Classification for HIV Suspicion Identification in Spanish Clinical Notes

This paper proposes a hybrid selective classification framework for clinical NLP that explicitly handles both aleatoric and epistemic uncertainty to avoid overconfident predictions in medical triage settings. The system combines Mondrian conformal prediction with a Multi-Centroid Mahalanobis Distance veto, evaluated on HIV suspicion identification in Spanish clinical notes. The authors demonstrate that standard uncertainty metrics and baseline classifiers suffer coverage collapse under strict reliability constraints, while their dual-verification approach isolates a trustworthy operational domain. The work critiques inflated benchmark metrics that arise from forcing deterministic classification on inherently ambiguous clinical instances.

Evaluation and Benchmarking AI Safety Research HIV Suspicion Identification Mondrian Conformal Prediction Selective Classification +3 more