Automatic Summarization Of Doctor-patient Encounter Dialogues Using Large Language Model Through Prompt Tuning

Lyu Mengxian, Peng Cheng, Li Xiaohan, Balian Patrick, Bian Jiang, Wu Yonghui. Arxiv 2024

[Paper]    
Applications Efficiency And Optimization Fine Tuning GPT Merging Model Architecture Pretraining Methods Prompting Training Techniques

Automatic text summarization (ATS) is an emerging technology to assist clinicians in providing continuous and coordinated care. This study presents an approach to summarize doctor-patient dialogues using generative large language models (LLMs). We developed prompt-tuning algorithms to instruct generative LLMs to summarize clinical text. We examined the prompt-tuning strategies, the size of soft prompts, and the few-short learning ability of GatorTronGPT, a generative clinical LLM developed using 277 billion clinical and general English words with up to 20 billion parameters. We compared GatorTronGPT with a previous solution based on fine-tuning of a widely used T5 model, using a clinical benchmark dataset MTS-DIALOG. The experimental results show that the GatorTronGPT- 20B model achieved the best performance on all evaluation metrics. The proposed solution has a low computing cost as the LLM parameters are not updated during prompt-tuning. This study demonstrates the efficiency of generative clinical LLMs for clinical ATS through prompt tuning.

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