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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.
USMARC Format There are three USMARC communication formats: US MARC format for bibliographic data (UFBD) US MARC format for authority data (UFAD) US MARC format fo
how does infidelity from a wife in a marriage affect her as her husband''s agent in domestic agency of necessity?
Catalogue Codes When we prepare a catalogue for a library collection, we follow a set of principles and rules to prepare the entries and to arrange and file them. Sets of rul
discuss briefly the scientific and technical achievements of bronze age
I am working on a proposal of getting rid of the ELI (English Language Institute) / CAPP Program here at American Samoa Community College. is there''s any strong points of why we s
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
Three Levels of Description The three levels of description are detailed thus: First Level of Description: For the first level of description the following elements are
History of Africa : The history of Africa starts along with the prehistory of Africa and the emergence of Homo sapiens in East Africa, ongoing into the current as a patchwork of di
SUBJECT HEADINGS LIST Subject heading has been defined as a word or group of words indicating a subject under which all materials dealing with same theme is entered in a c
physical form of library catalogue
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