DiaHalu: A Dialogue-level Hallucination Evaluation Benchmark for Large Language Models

• URL: http://arxiv.org/abs/2403.00896v3
• Date: Thu, 10 Oct 2024 08:27:54 GMT
• Title: DiaHalu: A Dialogue-level Hallucination Evaluation Benchmark for Large Language Models
• Authors: Kedi Chen, Qin Chen, Jie Zhou, Yishen He, Liang He,
• Abstract summary: We propose DiaHalu, the first dialogue-level hallucination evaluation benchmark to our knowledge. We integrate the collected topics into system prompts and facilitate a dialogue between two ChatGPT3.5. We manually modify the contents that do not adhere to human language conventions and then have LLMs re-generate, simulating authentic human-machine interaction scenarios.
• Score: 26.289847386286446
• License:
• Abstract: Since large language models (LLMs) achieve significant success in recent years, the hallucination issue remains a challenge, numerous benchmarks are proposed to detect the hallucination. Nevertheless, some of these benchmarks are not naturally generated by LLMs but are intentionally induced. Also, many merely focus on the factuality hallucination while ignoring the faithfulness hallucination. Additionally, although dialogue pattern is more widely utilized in the era of LLMs, current benchmarks only concentrate on sentence-level and passage-level hallucination. In this study, we propose DiaHalu, the first dialogue-level hallucination evaluation benchmark to our knowledge. Initially, we integrate the collected topics into system prompts and facilitate a dialogue between two ChatGPT3.5. Subsequently, we manually modify the contents that do not adhere to human language conventions and then have LLMs re-generate, simulating authentic human-machine interaction scenarios. Finally, professional scholars annotate all the samples in the dataset. DiaHalu covers four common multi-turn dialogue domains and five hallucination subtypes, extended from factuality and faithfulness hallucination. Experiments through some well-known LLMs and detection methods on the dataset show that DiaHalu is a challenging benchmark, holding significant value for further research.

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