Mitigating Misleading Chain-of-Thought Reasoning with Selective Filtering

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Autori principali: Wu, Yexin, Zhang, Zhuosheng, Zhao, Hai
Natura: Preprint
Pubblicazione: 2024
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author Wu, Yexin
Zhang, Zhuosheng
Zhao, Hai
author_facet Wu, Yexin
Zhang, Zhuosheng
Zhao, Hai
contents Large language models have manifested remarkable capabilities by leveraging chain-of-thought (CoT) reasoning techniques to solve intricate questions through step-by-step reasoning chains. Despite its success, the efficacy of such reasoning is inherently contingent upon the quality of CoT. However, flawless CoT reasoning cannot be guaranteed due to the presence of indecomposable questions and the potential for erroneous reasoning chains, particularly in the case of small-scale language models. To tackle this challenge, we propose a novel approach called the selective filtering reasoner (SelF-Reasoner) that assesses the entailment relationship between the question and the candidate reasoning chain. Then, we proceed with CoT reasoning when the reasoning chain demonstrates confidence; otherwise, we opt to predict the answer directly. SelF-Reasoner improves the fine-tuned T5 baseline consistently over the ScienceQA, ECQA, and LastLetter tasks. Code is available at \texttt{https://github.com/LibroWu/SelF-Reasoner}.
format Preprint
id arxiv_https___arxiv_org_abs_2403_19167
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Mitigating Misleading Chain-of-Thought Reasoning with Selective Filtering
Wu, Yexin
Zhang, Zhuosheng
Zhao, Hai
Computation and Language
Artificial Intelligence
Large language models have manifested remarkable capabilities by leveraging chain-of-thought (CoT) reasoning techniques to solve intricate questions through step-by-step reasoning chains. Despite its success, the efficacy of such reasoning is inherently contingent upon the quality of CoT. However, flawless CoT reasoning cannot be guaranteed due to the presence of indecomposable questions and the potential for erroneous reasoning chains, particularly in the case of small-scale language models. To tackle this challenge, we propose a novel approach called the selective filtering reasoner (SelF-Reasoner) that assesses the entailment relationship between the question and the candidate reasoning chain. Then, we proceed with CoT reasoning when the reasoning chain demonstrates confidence; otherwise, we opt to predict the answer directly. SelF-Reasoner improves the fine-tuned T5 baseline consistently over the ScienceQA, ECQA, and LastLetter tasks. Code is available at \texttt{https://github.com/LibroWu/SelF-Reasoner}.
title Mitigating Misleading Chain-of-Thought Reasoning with Selective Filtering
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2403.19167