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Question answering
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{{Distinguish|Query evaluation}} {{Other uses|Question|Answer (disambiguation){{!}}Answer}} {{short description|Computer science discipline}} {{outdated|date=March 2024}} '''Question answering''' ('''QA''') is a [[computer science]] discipline within the fields of [[information retrieval]] and [[natural language processing]] (NLP) that is concerned with building systems that automatically answer [[Question|questions]] that are posed by humans in a [[natural language]].<ref name="CimianoUnger2014">{{ cite book|author1=Philipp Cimiano|author2=Christina Unger|author3=John McCrae|title=Ontology-Based Interpretation of Natural Language|url=https://books.google.com/books?id=3GA-AwAAQBAJ|date=1 March 2014|publisher=Morgan & Claypool Publishers|isbn=978-1-60845-990-2}}</ref>
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