Yuki Momii
2024
RAG-Fusion Based Information Retrieval for Fact-Checking
Yuki Momii
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Tetsuya Takiguchi
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Yasuo Ariki
Proceedings of the Seventh Fact Extraction and VERification Workshop (FEVER)
Fact-checking involves searching for relevant evidence and determining whether the given claim contains any misinformation. In this paper, we propose a fact verification system based on RAG-Fusion. We use GPT-4o to generate questions from the claim, which helps improve the accuracy of evidence retrieval.Additionally, we adopt GPT-4o for the final judgment module and refine the prompts to enhance the detection accuracy, particularly when the claim contains misinformation. Experiment showed that our system achieved an AVeriTeC Score of 0.3865 on the AVeriTeC test data, significantly surpassing the baseline score of 0.11.
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