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Definition
There are a number of definitions of 'thesaurus' provided by different experts and organisations. The most comprehensive one has been provided by the International Standards Organisation (ISO) as the basis of structure and functions of a thesaurus. In terms of functions, it states "a thesaurus is a terminological control device used in translating from the natural language of documents, indexers or users into a more constrained 'system language' (documentation language, information language)". In terms of structure, the Standard says, "a thesaurus is a controlled and dynamic vocabulary of semantically and generically related terms which covers a specific domain of knowledge".
In short, a thesaurus may be defined as a compilation of descriptors for use in an information retrieval system arranged in an alphabetical order and manifesting the various types of relationships existing between the descriptors. An information retrieval thesaurus is a kind of semantic networking of concepts.
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Machine-readable Record Format MARC is an acronym for Machine-readable Catalogue or cataloguing. This general description is misleading, implying that MARC is a kind of cat
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Human Resource The human resource refers to any individual serving as a source of information. This can be best illustrated by giving examples. If somebody is doing historical
"Though the birds sang in the Unebi Mountain ;/ None passed by who even looked like my wife./ I could only call her name and wave my sleeve ." ( Man'yoshu ) Speaker: From th
ONLINE PUBLIC ACCESS CATALOGUE (OPAC) By late 1970s, libraries began to use computers for cataloguing purpose and the idea of making the catalogue of a library available to i
Special Subject Encyclopaedia It is rather common for the reference librarian to receive queries regarding specific subjects. The answer of such queries can be searched from t
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What is the definition of risks? A risk is the potential that something unwanted and harmful may happen. Risk is the possibility of suffering harm or loss. It is also defined
What role does Plunkitt see for political party bosses to play within the Democratic Party? Why does he feel that way?
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