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Verification of the Expected Answer Type for Biomedical Question Answering

Abstract : Extractive Question Answering (QA) focuses on extracting precise answers from a given paragraph to questions posed in natural language. Deep learning models are widely used to address this problem and can fetch good results, provided there exists enough data for learning. Such large datasets have been released in open domain, but not in specific domains, such as the medical domain. However, the medical domain has a great amount of resources such as UMLS thesaurus, ontologies such as SNOMED CT, and tools such as Metamap etc that could be useful. In this paper, we apply transfer learning for getting a DNN baseline system on biomedical questions and we study if structured resources can help in selecting the answers based on the recognition of the Expected Answer Type (EAT), which has been proved useful in open domain QA systems. This study relies on different representations for LAT and we study if gold standard answers and answers of our model have some positive impact from the LAT.
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Submitted on : Wednesday, September 11, 2019 - 10:19:27 AM
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Sanjay Kamath, Brigitte Grau, Yue Ma. Verification of the Expected Answer Type for Biomedical Question Answering. First International Workshop on Hybrid Question Answering with Structured and Unstructured Knowledge (HQA'18), Apr 2018, Lyon, France. pp.1093-1097, ⟨10.1145/3184558.3191542⟩. ⟨hal-01759306⟩



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