# Metadata Source URL:: https://en.wikipedia.org/wiki/Natural-language_understanding Topics:: #ai --- # Natural-language understanding - Wikipedia ## Highlights > [!quote]+ Updated on 181022_092943 > > Natural-language understanding (NLU) or natural-language interpretation (NLI)[1] is a subtopic of natural-language processing in artificial intelligence that deals with machine reading comprehension. Natural-language understanding is considered an AI-hard problem.[2] >There is considerable commercial interest in the field because of its application to automated reasoning,[3] machine translation,[4] question answering,[5] news-gathering, text categorization, voice-activation, archiving, and large-scale content analysis.