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How to Use a Thesaurus
The final process of indexing involves translating the relevant subject concepts of the document into the indexing language or the descriptor language of the system. The translation stage involves the comparison of each term in the subject statement with the descriptors of the thesaurus to determine:
After each term in a subject statement is translated into the descriptors from the thesaurus used in a system, a set of references is established between the terms in a subject statement and the corresponding terms revealed by the thesaurus. This step is essential when the thesaurus is used as a vocabulary control tool in a system which adopts as pre-coordinated indexing system such as, PRECIS, POPSI or BTI. The two kinds of references are:
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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 Internatio
Choice of Heading In cataloguing, a heading is a name (in an author catalogue) or a term (in a subject catalogue) appearing at the head of an entry and may consist of one or
In Civilization and its Discontents, Sigmund Freud argues that civilization is actually an obstruction towards humanity attaining happiness. (a) Identify the main aspects of F
Objectives of Subject Cataloguing All forms of subject catalogues have a two-fold objective: first to enable an enquirer to identify documents on a given subject and second,
Role of a Thesaurus in Indexing and Searching The thesaurus contributes to consistency in indexing between indexers and reduces incorrect term assignments to a great extent
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Citation Indexes Citation indexes are unique from the point of view of technique followed. They are based on citations made in current documents. They follow a novel metho
Content Designator Content designators are used to denote the identity of each data field (instead of identifying data fields by position) within a record. It may be grouped
POST-COORDINATE INDEXING MODEL All the pre-coordinate indexing models discussed so far are of unidimensional in nature based on the order of significance. The significance or
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