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    <abstract>Automatic fact-checking systems that employ large language models (LLMs) have achieved human-level performance in combating widespread misinformation. However, current LLM-based fact-checking systems fail to reveal the reasoning principles behind their decision-making for the claim verdict. In this work, we propose Correlation-Enhanced Explainable Fact-Checking (CorXFact), an LLM-based fact-checking system that simulates the reasoning principle of human fact-checkers for evidence-based claim verification: assessing and weighing the correlations between the claim and each piece of evidence. Following this principle, CorXFact enables efficient claim verification and transparent explanation generation. Furthermore, we contribute the CorFEVER test set to comprehensively evaluate the CorXFact system in claim-evidence correlation identification and claim verification in both closed-domain and real-world fact-checking scenarios. Experimental results show that our proposed CorXFact significantly outperforms four strong fact-checking baselines in claim authenticity prediction and verdict explanation.</abstract>
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%0 Conference Proceedings
%T Improving Explainable Fact-Checking with Claim-Evidence Correlations
%A Tan, Xin
%A Zou, Bowei
%A Aw, Ai Ti
%Y Rambow, Owen
%Y Wanner, Leo
%Y Apidianaki, Marianna
%Y Al-Khalifa, Hend
%Y Eugenio, Barbara Di
%Y Schockaert, Steven
%S Proceedings of the 31st International Conference on Computational Linguistics
%D 2025
%8 January
%I Association for Computational Linguistics
%C Abu Dhabi, UAE
%F tan-etal-2025-improving
%X Automatic fact-checking systems that employ large language models (LLMs) have achieved human-level performance in combating widespread misinformation. However, current LLM-based fact-checking systems fail to reveal the reasoning principles behind their decision-making for the claim verdict. In this work, we propose Correlation-Enhanced Explainable Fact-Checking (CorXFact), an LLM-based fact-checking system that simulates the reasoning principle of human fact-checkers for evidence-based claim verification: assessing and weighing the correlations between the claim and each piece of evidence. Following this principle, CorXFact enables efficient claim verification and transparent explanation generation. Furthermore, we contribute the CorFEVER test set to comprehensively evaluate the CorXFact system in claim-evidence correlation identification and claim verification in both closed-domain and real-world fact-checking scenarios. Experimental results show that our proposed CorXFact significantly outperforms four strong fact-checking baselines in claim authenticity prediction and verdict explanation.
%U https://aclanthology.org/2025.coling-main.108/
%P 1600-1612

Markdown (Informal)

[Improving Explainable Fact-Checking with Claim-Evidence Correlations](https://aclanthology.org/2025.coling-main.108/) (Tan et al., COLING 2025)

• Improving Explainable Fact-Checking with Claim-Evidence Correlations (Tan et al., COLING 2025)

ACL

• Xin Tan, Bowei Zou, and Ai Ti Aw. 2025. Improving Explainable Fact-Checking with Claim-Evidence Correlations. In Proceedings of the 31st International Conference on Computational Linguistics, pages 1600–1612, Abu Dhabi, UAE. Association for Computational Linguistics.