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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.
Lawrence Kohlberg’s research was grounded in Piagetian theory and he sought to discover how children and people develop moral reasoning. His theory is characterized by a sequence o
Historical Handbooks Every library receives queries regarding dates and events in history. Historical handbooks provide information regarding events, discoveries, achievement
ONLINE PUBLIC ACCESS CATALOGUE (OPAC) By late 1970s, libraries began to use computers for cataloguing purpose and the idea of making the catalogue of a library available to i
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
a man who has no inner life is slave to his surroundings
need to promote democracy
General Encyclopaedias The popular general encyclopedias are most impressive by their size and number of volumes. The famous adult encyclopaedia are remembered as the ABC's
Main Entry Defined "Specific Entry giving maximum information about the whole of a document. All the other entries: specific or general relating to the document, are normally
What responsibilities do we owe our fellow human beings? On a individual level? On a social level?
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.
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