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In the context of information retrieval, a thesaurus (plural: "thesauri") is a form of controlled vocabulary that seeks to dictate semantic manifestations of metadata in the indexing of content objects. A thesaurus serves to minimise semantic ambiguity by ensuring uniformity and consistency in the storage and retrieval of the manifestations of ...
In library and information science, a thesaurus is a kind of controlled vocabulary. A thesaurus can form part of an ontology and be represented in the Simple Knowledge Organization System (SKOS). [41] Thesauri are used in natural language processing for word-sense disambiguation [42] and text simplification for machine translation systems. [43]
A source text [1] [2] is a text (sometimes oral) from which information or ideas are derived. In translation , a source text is the original text that is to be translated into another language . Description
A book of synonyms, often also containing antonyms. An example is Roget's Thesaurus. In database searching, a thesaurus strategy is to use multiple iterations to search for related words and generate result. The database will often suggest synonyms and related words to try. [13] Truncation The shortening of a search word, field, or record.
ISO 25964 is the international standard for thesauri, published in two parts as follows: . ISO 25964 Information and documentation - Thesauri and interoperability with other vocabularies Part 1: Thesauri for information retrieval [published August 2011] Part 2: Interoperability with other vocabularies [published March 2013]
A free text search would automatically pick up that article regardless. On the other hand, free text searches have high exhaustivity (every word is searched) so although it has much lower precision, it has potential for high recall as long as the searcher overcome the problem of synonyms by entering every combination.
A reference work is a work, such as a paper, book or periodical (or their electronic equivalents), to which one can refer for information. [1] The information is intended to be found quickly when needed. Such works are usually referred to for particular pieces of information, rather than read beginning to end. The writing style used in these ...
The synonyms are grouped into synsets with short definitions and usage examples. It can thus be seen as a combination and extension of a dictionary and thesaurus. While it is accessible to human users via a web browser, [2] its primary use is in automatic text analysis and artificial intelligence applications.