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THESAURUS
The word 'thesaurus' comes from Greek term 'thesauros' meaning a storehouse or treasury of words. The Oxford English Dictionary defines "thesaurus" as a archaeological term "a treasury of temple, etc." and quotes its use in 1736 as a treasury or store house of knowledge. Dictionary defines it as "a book of words or of information about a particular field or a set of concepts, specially a dictionary of synonyms". A dictionary lists words along with their meanings; synonyms, etc. in alphabetical order, but a thesaurus assembles all words related to an idea at one place. Modern usage may be said to date from 1852 when Peter Mark Roget thought of his thesaurus as a classification of ideas. Roget's Thesaurus had nothing to do with information retrieval. But his novel idea was later profitably employed in the compilation of thesaurus for information retrieval.
Helen Brownson is said to be the first person who used the term 'thesaurus' in the context of information retrieval in a paper presented at the Dorking Conference on Classification Research in 1957. H. P Luhn was probably the first person to think in" terms of information retrieval thesaurus, who suggested the compilation, for indexing purposes, of 'families of notions' and dictionary of 'notion families'. The first thesaurus used in information retrieval system was developed by Du Pont in USA around 1969 and since then many thesauri have been brought out in different subject fields: A number of standards have also come into existence to provide guidelines in the design and development of monolingual and multilingual: thesauri.
Standard Vocabulary As LCSH is the official list of Library of Congress, not only does it give an authority to the standard vocabulary of LC, but also maintains its utility,
in around 1500 words , describe the commonly used pattern of conducting operational research in the field of health , give illustration to describe the common pattern.
INDEXING SYSTEMS The preparation of a series of entries for inclusion in a subject catalogue or in a printed index is known as indexing. An entry is a basic unit of a subj
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what is centralized cataloguing?
Differentiate Micro -ethics and Macro -ethics? Micro -ethics : Deals about some typical and everyday problems which play an significant role in the field of engineering and i
Library Records A number of records are created in a library for its collections to serve different purposes. Some of these records are accession register, shelf list, period
Religious Syncretism in Silla Indigenous influence on Sukkuram mid-8 th century. Exterior mound not an actual cave/excavated cavern. Took slabs of rock and stacked them up
Give the two aspects of Honesty? o Truthfulness - meeting responsibilities concerning truth -telling. o Trustworthiness - Meeting responsibilities concerning trust.
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