AlpaCare:Instruction-tuned Large Language Models for Medical Application

Fuente: arXiv
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Auteurs principaux: Zhang, Xinlu, Tian, Chenxin, Yang, Xianjun, Chen, Lichang, Li, Zekun, Petzold, Linda Ruth
Format: Preprint
Publié: 2023
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author Zhang, Xinlu
Tian, Chenxin
Yang, Xianjun
Chen, Lichang
Li, Zekun
Petzold, Linda Ruth
author_facet Zhang, Xinlu
Tian, Chenxin
Yang, Xianjun
Chen, Lichang
Li, Zekun
Petzold, Linda Ruth
contents Instruction-finetuning (IFT) has become crucial in aligning Large Language Models (LLMs) with diverse human needs and has shown great potential in medical applications. However, previous studies mainly fine-tune LLMs on biomedical datasets with limited diversity, which often rely on benchmarks or narrow task scopes, and hence significantly limit the effectiveness on their medical instruction-following ability and generalizability. To bridge this gap, we propose creating a diverse, machine-generated medical IFT dataset, MedInstruct-52k, using GPT-4 and ChatGPT with a high-quality expert-curated seed set. We then fine-tune LLaMA-series models on the dataset to develop AlpaCare. Despite using a smaller domain-specific dataset than previous medical LLMs, AlpaCare not only demonstrates superior performance on medical applications, with up to 38.1% absolute gain over best baselines in medical free-form instruction evaluations, but also achieves 6.7% absolute gains averaged over multiple general domain benchmarks. Human evaluation further shows that AlpaCare consistently outperforms best baselines in terms of both correctness and helpfulness. We offer public access to our data, model, and codebase in https://github.com/XZhang97666/AlpaCare.
format Preprint
id arxiv_https___arxiv_org_abs_2310_14558
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle AlpaCare:Instruction-tuned Large Language Models for Medical Application
Zhang, Xinlu
Tian, Chenxin
Yang, Xianjun
Chen, Lichang
Li, Zekun
Petzold, Linda Ruth
Computation and Language
Artificial Intelligence
Instruction-finetuning (IFT) has become crucial in aligning Large Language Models (LLMs) with diverse human needs and has shown great potential in medical applications. However, previous studies mainly fine-tune LLMs on biomedical datasets with limited diversity, which often rely on benchmarks or narrow task scopes, and hence significantly limit the effectiveness on their medical instruction-following ability and generalizability. To bridge this gap, we propose creating a diverse, machine-generated medical IFT dataset, MedInstruct-52k, using GPT-4 and ChatGPT with a high-quality expert-curated seed set. We then fine-tune LLaMA-series models on the dataset to develop AlpaCare. Despite using a smaller domain-specific dataset than previous medical LLMs, AlpaCare not only demonstrates superior performance on medical applications, with up to 38.1% absolute gain over best baselines in medical free-form instruction evaluations, but also achieves 6.7% absolute gains averaged over multiple general domain benchmarks. Human evaluation further shows that AlpaCare consistently outperforms best baselines in terms of both correctness and helpfulness. We offer public access to our data, model, and codebase in https://github.com/XZhang97666/AlpaCare.
title AlpaCare:Instruction-tuned Large Language Models for Medical Application
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2310.14558