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What Disease does this Patient Have? A Large-scale Open Domain Question Answering Dataset from Medical Exams

2020/09/28 by Di Jin, Eileen Pan, Jin, Di +10 · 1 voice · 442 citations
Computer Science · #Natural Language Processing Techniques #Sentiment Analysis and Opinion Mining #Topic Modeling #cs.AI #cs.CL

paper · pdf · doi:10.48550/arxiv.2009.13081

Submitted to AAAI 2021

arxiv created 2020/09/28 · arxiv published 2020/09/28 · arxiv updated 2020/09/29

Abstract

Open domain question answering (OpenQA) tasks have been recently attracting more and more attention from the natural language processing (NLP) community. In this work, we present the first free-form multiple-choice OpenQA dataset for solving medical problems, MedQA, collected from the professional medical board exams. It covers three languages: English, simplified Chinese, and traditional Chinese, and contains 12,723, 34,251, and 14,123 questions for the three languages, respectively. We implement both rule-based and popular neural methods by sequentially combining a document retriever and a machine comprehension model. Through experiments, we find that even the current best method can only achieve 36.7%, 42.0%, and 70.1% of test accuracy on the English, traditional Chinese, and simplified Chinese questions, respectively. We expect MedQA to present great challenges to existing OpenQA systems and hope that it can serve as a platform to promote much stronger OpenQA models from the NLP community in the future.

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