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

arXiv:2608.07204 · cs.CL · Submitted 2026-08-07 · Read on arXiv

Zhenchao Wang, Xin Chen, Luoxi Zhang, Min Yang, Shiwen Ni

cs.CL

Submitted: 2026-08-07

Updated: 2026-08-10

Comments: 12 pages, 3 figures

Project page: https://nlp2ct.github.io/NLPCC-2026-Task10-Science

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Verification — 18× in this paper · explained in 2 episodes
• Distribution-Aligned Classification — 6× in this paper
• Hard-Negative Reranking — 6× in this paper
• Faithfulness — 4× in this paper · explained in 2 episodes
• Two-Stage Framework — 4× in this paper · explained in 2 episodes
• Fine-Tuning — 3× in this paper · explained in 5 episodes
• Generalization — 3× in this paper · explained in 14 episodes
• Class Imbalance — 1× in this paper · explained in 3 episodes
• Contrastive Learning — 1× in this paper · explained in 9 episodes
• F1 Score — 1× in this paper · explained in 4 episodes
• Language Models (LLMs) — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 9 episodes
• LoRA Fine-Tuning — 1× in this paper · explained in 3 episodes
• Papers — 1× in this paper · explained in 3 episodes

Sources

• Passage Re-ranking with BERT

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