Xinyuan Lu
2023
Fact-Checking Complex Claims with Program-Guided Reasoning
Liangming Pan
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Xiaobao Wu
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Xinyuan Lu
|
Anh Tuan Luu
|
William Yang Wang
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Min-Yen Kan
|
Preslav Nakov
Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Fact-checking real-world claims often requires collecting multiple pieces of evidence and applying complex multi-step reasoning. In this paper, we present Program-Guided Fact-Checking (ProgramFC), a novel fact-checking model that decomposes complex claims into simpler sub-tasks that can be solved using a shared library of specialized functions. We first leverage the in-context learning ability of large language models to generate reasoning programs to guide the verification process. Afterward, we execute the program by delegating each sub-task to the corresponding sub-task handler. This process makes our model both explanatory and data-efficient, providing clear explanations of its reasoning process and requiring minimal training data. We evaluate ProgramFC on two challenging fact-checking datasets and show that it outperforms seven fact-checking baselines across different settings of evidence availability, with explicit output programs that benefit human debugging. Our codes and data are publicly available at https://github.com/mbzuai-nlp/ProgramFC.
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Co-authors
- Liangming Pan 1
- Xiaobao Wu 1
- Anh Tuan Luu 1
- William Yang Wang 1
- Min-Yen Kan 1
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