Pattern-Aware Chain-of-Thought Prompting in Large Language Models

• URL: http://arxiv.org/abs/2404.14812v1
• Date: Tue, 23 Apr 2024 07:50:00 GMT
• Title: Pattern-Aware Chain-of-Thought Prompting in Large Language Models
• Authors: Yufeng Zhang, Xuepeng Wang, Lingxiang Wu, Jinqiao Wang,
• Abstract summary: Chain-of-thought (CoT) prompting can guide language models to engage in complex multi-step reasoning. We show that the underlying reasoning patterns play a more crucial role in such tasks. We propose Pattern-Aware CoT, a prompting method that considers the diversity of demonstration patterns.
• Score: 26.641713417293538
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Chain-of-thought (CoT) prompting can guide language models to engage in complex multi-step reasoning. The quality of provided demonstrations significantly impacts the success of downstream inference tasks. While existing automated methods prioritize accuracy and semantics in these demonstrations, we show that the underlying reasoning patterns play a more crucial role in such tasks. In this paper, we propose Pattern-Aware CoT, a prompting method that considers the diversity of demonstration patterns. By incorporating patterns such as step length and reasoning process within intermediate steps, PA-CoT effectively mitigates the issue of bias induced by demonstrations and enables better generalization to diverse scenarios. We conduct experiments on nine reasoning benchmark tasks using two open-source LLMs. The results show that our method substantially enhances reasoning performance and exhibits robustness to errors. The code will be made publicly available.

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