Expert-guided Clinical Text Augmentation via Query-Based Model Collaboration

• URL: http://arxiv.org/abs/2509.21530v1
• Date: Thu, 25 Sep 2025 20:18:39 GMT
• Title: Expert-guided Clinical Text Augmentation via Query-Based Model Collaboration
• Authors: Dongkyu Cho, Miao Zhang, Rumi Chunara,
• Abstract summary: Large language models (LLMs) have demonstrated strong generative capabilities for this purpose.<n>Their applications in high-stakes domains like healthcare present unique challenges due to the risk of generating clinically incorrect or misleading information.<n>We propose a novel query-based model collaboration framework that integrates expert-level domain knowledge to guide the augmentation process.
• Score: 13.279553235224988
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Data augmentation is a widely used strategy to improve model robustness and generalization by enriching training datasets with synthetic examples. While large language models (LLMs) have demonstrated strong generative capabilities for this purpose, their applications in high-stakes domains like healthcare present unique challenges due to the risk of generating clinically incorrect or misleading information. In this work, we propose a novel query-based model collaboration framework that integrates expert-level domain knowledge to guide the augmentation process to preserve critical medical information. Experiments on clinical prediction tasks demonstrate that our lightweight collaboration-based approach consistently outperforms existing LLM augmentation methods while improving safety through reduced factual errors. This framework addresses the gap between LLM augmentation potential and the safety requirements of specialized domains.

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