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Thesaurus. A thesaurus ( pl.: thesauri or thesauruses ), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where you can find different words with same meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
Thesaurus (information retrieval) 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 ...
In library and information science, controlled vocabulary is a carefully selected list of words and phrases, which are used to tag units of information (document or work) so that they may be more easily retrieved by a search. [4] [5] Controlled vocabularies solve the problems of homographs, synonyms and polysemes by a bijection between concepts ...
Roget's Thesaurus is composed of six primary classes. [5] Each class is composed of multiple divisions and then sections. This may be conceptualized as a tree containing over a thousand branches for individual "meaning clusters" or semantically linked words. Although these words are not strictly synonyms, they can be viewed as colours or ...
A decision support system (DSS) is an information system that supports business or organizational decision-making activities. DSSs serve the management, operations and planning levels of an organization (usually mid and higher management) and help people make decisions about problems that may be rapidly changing and not easily specified in advance—i.e., unstructured and semi-structured ...
Clinical decision support system. A clinical decision support system ( CDSS) is a health information technology that provides clinicians, staff, patients, and other individuals with knowledge and person-specific information to help health and health care. CDSS encompasses a variety of tools to enhance decision-making in the clinical workflow.
Helen Brownson (May 1, 1917 – August 5, 2017) was a United States federal government employee and a pioneer in the development of the field of information science.She is credited with popularizing the idea of the thesaurus as it applies to information science.
ISO 25964-2 deals with the challenges of using one thesaurus in combination with another, and/or with some other type of controlled vocabulary or knowledge organization system (KOS). The types covered include classification schemes , taxonomies , subject heading schemes , ontologies , name authority lists , terminologies and synonym rings .