FIND: Fine-grained Information Density Guided Adaptive Retrieval-Augmented Generation for Disease Diagnosis

• URL: http://arxiv.org/abs/2502.14614v1
• Date: Thu, 20 Feb 2025 14:52:36 GMT
• Title: FIND: Fine-grained Information Density Guided Adaptive Retrieval-Augmented Generation for Disease Diagnosis
• Authors: Mingyi Jia, Junwen Duan, Yan Song, Jianxin Wang,
• Abstract summary: FIND (textbfFine-grained textbfInformation textbfDensity Guided Adaptive RAG) is a novel framework that improves the reliability of RAG in disease diagnosis scenarios.
• Score: 13.806201934732321
• License:
• Abstract: Retrieval-Augmented Large Language Models (LLMs), which integrate external knowledge into LLMs, have shown remarkable performance in various medical domains, including clinical diagnosis. However, existing RAG methods struggle to effectively assess task difficulty to make retrieval decisions, thereby failing to meet the clinical requirements for balancing efficiency and accuracy. So in this paper, we propose FIND (\textbf{F}ine-grained \textbf{In}formation \textbf{D}ensity Guided Adaptive RAG), a novel framework that improves the reliability of RAG in disease diagnosis scenarios. FIND incorporates a fine-grained adaptive control module to determine whether retrieval is necessary based on the information density of the input. By optimizing the retrieval process and implementing a knowledge filtering module, FIND ensures that the retrieval is better suited to clinical scenarios. Experiments on three Chinese electronic medical record datasets demonstrate that FIND significantly outperforms various baseline methods, highlighting its effectiveness in clinical diagnosis tasks.

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