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- AKA: Keyword.
- See: Multi-Word Expression, Keyword Index, Subject Heading, Search Keyword.
- (Dextre Clarke et al., 2008) ⇒ Stella Dextre Clarke, Alan Gilchrist, Ron Davies and Leonard Will. (2008). “Glossary of Terms Relating to Thesauri and Other Forms of Structured Vocabulary for Information Retrieval." Willpower Information
- QUOTE: keyword
- A word or phrase occurring in the natural language of a document that is considered significant for retrieval.
- In addition to the above preferred meaning this word is also used loosely with the following two other possible meanings, which are often confused. The use of "keyword" with these meanings should be avoided.
- 1. A preferred term from a controlled vocabulary, assigned to a document
- 2. An identifier.
- QUOTE: keyword
- (ANSI Z39.19, 2005) ⇒ ANSI. (2005). “ANSI/NISO Z39.19 - Guidelines for the Construction, Format, and Management of Monolingual Controlled Vocabularies." ANSI.
- QUOTE: keyword: A word occurring in the natural language of a document that is considered significant for indexing and retrieval. See also free text.
- (Turney, 2000) ⇒ Peter D. Turney. (2000). “Learning Algorithms for Keyphrase Extraction.” In: Journal of Information Retrieval, 2(4). doi:10.1023/A:1009976227802
- … Many journals ask their authors to provide a list of keywords for their articles. We call these keyphrases, rather than keywords, because they are often phrases of two or more words, rather than single words. We define a keyphrase list as a short list of phrases (typically five to fifteen noun phrases) that capture the main topics discussed in a given document. This paper is concerned with the automatic extraction of keyphrases from text.