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Natural language processing (NLP) is an interdisciplinary subfield of computer science and artificial intelligence. It is primarily concerned with providing...

In neuropsychology, linguistics, and philosophy of language, a natural language or ordinary language is any language that occurs naturally in a human community...

Information retrieval (IR) in computing and information science is the task of identifying and retrieving information system resources that are relevant...

The Google Books Ngram Viewer is an online search engine that charts the frequencies of any set of search strings using a yearly count of n-grams found...

Text mining, text data mining (TDM) or text analytics is the process of deriving high-quality information from text. It involves "the discovery by computer...

Word-sense disambiguation (WSD) is the process of identifying which sense of a word is meant in a sentence or other segment of context. In human language...

Sentiment analysis (also known as opinion mining or emotion AI) is the use of natural language processing, text analysis, computational linguistics, and...

In software, a spell checker (or spelling checker or spell check) is a software feature that checks for misspellings in a text. Spell-checking features...

Powerset was an American company based in San Francisco, California, that, in 2006, was developing a natural language search engine for the Internet. On...

Question answering (QA) is a computer science discipline within the fields of information retrieval and natural language processing (NLP) that is concerned...

An n-gram is a sequence of n adjacent symbols in particular order. The symbols may be n adjacent letters (including punctuation marks and blanks), syllables...

Latent semantic analysis (LSA) is a technique in natural language processing, in particular distributional semantics, of analyzing relationships between...

Language resource management – Lexical markup framework (LMF; ISO 24613), produced by ISO/TC 37, is the ISO standard for natural language processing (NLP)...

The bag-of-words model is a model of text which uses a representation of text that is based on an unordered collection (or "bag") of words. It is used...

Information extraction (IE) is the task of automatically extracting structured information from unstructured and/or semi-structured machine-readable documents...

A grammar checker, in computing terms, is a program, or part of a program, that attempts to verify written text for grammatical correctness. Grammar checkers...

In natural language processing (NLP), a word embedding is a representation of a word. The embedding is used in text analysis. Typically, the representation...

Natural language understanding (NLU) or natural language interpretation (NLI) is a subset of natural language processing in artificial intelligence that...

Document classification or document categorization is a problem in library science, information science and computer science. The task is to assign a document...

The term phrase structure grammar was originally introduced by Noam Chomsky as the term for grammar studied previously by Emil Post and Axel Thue (Post...