Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Question answering
open-in-new
<p>Question answering (QA) is a <a href="/facts/Computer_science/lN3pEyPz">computer science</a> discipline within the fields of <a href="/facts/Information_retrieval/MFSmpeNw">information retrieval</a> and <a href="/facts/Natural_language_processing/1hjMKsSN">natural language processing</a> (NLP) that is concerned with building systems that automatically answer <a href="/facts/Question/NsG1sCSK">questions</a> that are posed by humans in a <a href="/facts/Natural_language/B4gLS7Kd">natural language</a>. </p>