SelectIT: Selective Instruction Tuning for Large Language Models via Uncertainty-Aware Self-Reflection

• URL: http://arxiv.org/abs/2402.16705v1
• Date: Mon, 26 Feb 2024 16:21:53 GMT
• Title: SelectIT: Selective Instruction Tuning for Large Language Models via Uncertainty-Aware Self-Reflection
• Authors: Liangxin Liu, Xuebo Liu, Derek F. Wong, Dongfang Li, Ziyi Wang, Baotian Hu, Min Zhang
• Abstract summary: In this work, we propose a novel approach, termed SelectIT, that capitalizes on the foundational capabilities of the large language models (LLMs) Specifically, we exploit the intrinsic uncertainty present in LLMs to more effectively select high-quality IT data, without the need for extra resources. Empirical results demonstrate that IT using Selective Alpaca leads to substantial model ability enhancement.
• Score: 49.54657248221432
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Instruction tuning (IT) is crucial to tailoring large language models (LLMs) towards human-centric interactions. Recent advancements have shown that the careful selection of a small, high-quality subset of IT data can significantly enhance the performance of LLMs. Despite this, common approaches often rely on additional models or data sets, which increases costs and limits widespread adoption. In this work, we propose a novel approach, termed SelectIT, that capitalizes on the foundational capabilities of the LLM itself. Specifically, we exploit the intrinsic uncertainty present in LLMs to more effectively select high-quality IT data, without the need for extra resources. Furthermore, we introduce a novel IT dataset, the Selective Alpaca, created by applying SelectIT to the Alpaca-GPT4 dataset. Empirical results demonstrate that IT using Selective Alpaca leads to substantial model ability enhancement. The robustness of SelectIT has also been corroborated in various foundation models and domain-specific tasks. Our findings suggest that longer and more computationally intensive IT data may serve as superior sources of IT, offering valuable insights for future research in this area. Data, code, and scripts are freely available at https://github.com/Blue-Raincoat/SelectIT.

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