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Table 1 Key terms and definitions

From: NOBLE – Flexible concept recognition for large-scale biomedical natural language processing

Term Definition
Abbreviation A shortened form of a word, name, or phrase.
Annotation The tagging of words comprising a mention to assign them to a concept or text feature [41].
Auto coder A computer-based system that automatically matches text terms to a code or concept.
Concept A “cognitive construct” that is built on our perception or understanding of something [42]; delineates a specific entity embodying a particular meaning [43].
Controlled vocabulary A vocabulary that reduces ambiguity and establishes relationships by linking each concept to a term and its synonyms [43, 44].
Entity An “object of interest.” [41]; the referent in the semiotic triangle.
Gazetteer A list or dictionary of entities [45].
Lexical variant Different forms of the same term that occur due to variations in spelling, grammar, etc. [44].
Mention One or more words and or punctuation within a text which refer to a specific entity.
Named entity A specific word or phrase referring to an object of interest [41, 46].
Ontology A defined group of terms and their relationships to each other, within the context of a particular domain [47].
Semantic type A logical category of related terms [48].
Stop word A word of high frequency but limited information value (e.g.determiners) that is excluded from a vocabulary to improve results of a subsequent task [49].
Synonym A term with the same meaning as another term; terms that describe the same concept [48, 50].
Term One or more words including punctuation that represent a concept; there may be multiple terms associated with one concept [42, 49].
Terminology A catalog of terms related to a specific domain [42]. Subsumes a variety of formalisms such as lexicons and ontologies [43].
Vocabulary A terminology where the terms and concepts are defined [42, 44].
Word A linguistic unit that has a definable meaning and/or function [51].