A Claim Decomposition Benchmark for Long-form Answer Verification

• URL: http://arxiv.org/abs/2410.12558v1
• Date: Wed, 16 Oct 2024 13:34:51 GMT
• Title: A Claim Decomposition Benchmark for Long-form Answer Verification
• Authors: Zhihao Zhang, Yixing Fan, Ruqing Zhang, Jiafeng Guo,
• Abstract summary: We introduce a new claim decomposition benchmark, which requires building system that can identify atomic and checkworthy claims for LLM responses. The CACDD encompasses a collection of 500 human-annotated question-answer pairs, including a total of 4956 atomic claims. Results show that the claim decomposition is highly challenging and requires further explorations.
• Score: 42.27949634354242
• License:
• Abstract: The advancement of LLMs has significantly boosted the performance of complex long-form question answering tasks. However, one prominent issue of LLMs is the generated "hallucination" responses that are not factual. Consequently, attribution for each claim in responses becomes a common solution to improve the factuality and verifiability. Existing researches mainly focus on how to provide accurate citations for the response, which largely overlook the importance of identifying the claims or statements for each response. To bridge this gap, we introduce a new claim decomposition benchmark, which requires building system that can identify atomic and checkworthy claims for LLM responses. Specifically, we present the Chinese Atomic Claim Decomposition Dataset (CACDD), which builds on the WebCPM dataset with additional expert annotations to ensure high data quality. The CACDD encompasses a collection of 500 human-annotated question-answer pairs, including a total of 4956 atomic claims. We further propose a new pipeline for human annotation and describe the challenges of this task. In addition, we provide experiment results on zero-shot, few-shot and fine-tuned LLMs as baselines. The results show that the claim decomposition is highly challenging and requires further explorations. All code and data are publicly available at \url{https://github.com/FBzzh/CACDD}.

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