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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.
Biographical Sources A large part of the literature of reference consists of works that contain information about people, else known as the biographical sources. Their abundan
Pre-literate Japanese Culture Jomon ( 11-3 rd century BCE.) Comes from the word "rope-patterns." Much of pottery from this period included rope patterns. Not very polished/s
communication can bring about advancement in any society.
In August 1994, eleven miners were killed in an explosion in the underground coal mine at Moura in Queensland, Australia. The mine was owned and operated by BHP Coal. A commission
Definition The word `index' is derived from the Latin word `indicare' meaning `to point out' or `to show'. An indexing periodical is an access tool to a systematically arrange
EVALUATION OF READY REFERENCE SOURCES There is a tremendous increase in the importance and use of the ready reference sources due to availability of variety of information.
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.
what are the three types of baroque atrs
People's habitus typically bears the marks of their country's history and government, of the state under which they live: ‘In the conduct of workers in England, for example,
Subject The subject bibliographies form the largest group of enumerative bibliographies. It is defined as the one that deals with the materials pertaining to a single given su
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