HealthPrompt: A Zero-shot Learning Paradigm for Clinical Natural Language Processing

• URL: http://arxiv.org/abs/2203.05061v1
• Date: Wed, 9 Mar 2022 21:44:28 GMT
• Title: HealthPrompt: A Zero-shot Learning Paradigm for Clinical Natural Language Processing
• Authors: Sonish Sivarajkumar, Yanshan Wang
• Abstract summary: We developed a novel prompt-based clinical NLP framework called HealthPrompt. We performed an in-depth analysis of HealthPrompt on six different PLMs in a no-data setting. Our experiments prove that prompts effectively capture the context of clinical texts and perform remarkably well without any training data.
• Score: 3.762895631262445
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Deep learning algorithms are dependent on the availability of large-scale annotated clinical text datasets. The lack of such publicly available datasets is the biggest bottleneck for the development of clinical Natural Language Processing(NLP) systems. Zero-Shot Learning(ZSL) refers to the use of deep learning models to classify instances from new classes of which no training data have been seen before. Prompt-based learning is an emerging ZSL technique where we define task-based templates for NLP tasks. We developed a novel prompt-based clinical NLP framework called HealthPrompt and applied the paradigm of prompt-based learning on clinical texts. In this technique, rather than fine-tuning a Pre-trained Language Model(PLM), the task definitions are tuned by defining a prompt template. We performed an in-depth analysis of HealthPrompt on six different PLMs in a no-data setting. Our experiments prove that prompts effectively capture the context of clinical texts and perform remarkably well without any training data.

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