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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.
BIBLIOGRAPHY The bibliography is the chief class or form of reference and information access tools. It is a systematically produced descriptive list of records. The term bibl
SEARS LIST OF SUBJECT HEADINGS Background Sears List of Subject Headings (SLSH) is an abridged version of the Library of Congress Subject Headings, named after the f
ENTRY FORMAT A library catalogue card is of a standard size 12.5cm * 7.5cm.It may be a white blank card or a card with lines printed on it. See the illustrations given below
Traffic Congestion a. Our objective is to solve the problem of traffic congestion in and around the Central Interchange in Akron, Ohio, during peak travel hours (aka "rush hour
Reference Entries In a Library where a Dictionary Catalogue is maintained we see entries of the type known as 'References' and also of the type known as 'Analytical Entries'.
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Thesaurus in Post-Coordinate Indexing Systems Thesaurus has come into existence as a tool for vocabulary control in post-coordinated indexing system. It helps the indexer i
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