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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.
Merits and Deficiencies The principal merit of keyword indexing is the speed with which it can be produced. The production 6f keyword index does not involve costly indexing s
Historical Handbooks Every library receives queries regarding dates and events in history. Historical handbooks provide information regarding events, discoveries, achievement
General Language Dictionaries General language dictionaries are usually used for four broad purposes such as, i) a quick reference tool ii) a language standardiser ii
Buddhism in the Chinese State Full integration of Buddhism Fully integrated into local economy. Provided essential cultural coherence, was the source of economy and one way
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Audio-Visual Media Sometimes information cannot be conveyed by words alone. Librarian:, hive extensively made use of the audio and visual form the new technology to their a
NOTES AREA The Notes area gives any additional useful information about the document. Observe the words additional useful information. The information given in the note area
explain briefly what s statutes of general application
What are the main features of the Homeric Worldview
About the question of violence in the usa there is an enormous literature - as well as a lot of popular perceptions which themselves incorporate some myths. Contrary to
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