Author

Zhenchao Wang

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Preprint Aug 2026

HNR-DAC: Hard-Negative Reranking and Distribution-Aligned Classification for Scientific Claim Verification

This work presents HNR-DAC, a two-stage framework that trains each stage on the cases it will actually encounter, and quantifies evidence confusability using a base reranker's scores on non-gold paragraphs and contrasts gold evidence against the most confusable candidates.

Zhenchao Wang, Xin Chen, Luo-Xiu Zhang et al. · 0 citations