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Preserved Context Index System (PRECIS)
PRECIS (Preserved Context Index System) was designed and developed by Derek Austin by about 1970 as an alternative procedure for deriving the subject headings and subject index entries for British National Bibliography (BNB). Since 1952, for nearly 20 years, BNB followed chain procedure for deriving subject index entries. Two most important factors worked for the development of PRECIS: I) Idea of replacing chain indexing technique of BNB; and ii) the decision of the British Library to generate computer produced BNB with all the indexes in view of launching the UKMARC project. Accordingly, a research project for a suitable alternative for generating subject indexes directly from the machine readable records were undertaken by the British Library with the following objectives, which, ultimately resulted in the development of PRECIS:
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
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Uses of Bibliography Bibliography has many other uses like: Assists the users in locating documents of their interest; Aids in finding and verifying bibliographic
Drawing upon two major conclusions from the author, explain why the article on the Nacirema people exemplifies the social science perspective.
Main Entry and Added Entries Of the several entries we provide for a document in library catalogue, one entry is called the 'Main Entry' and the remaining are known as 'Added
Use The indexes are the mainstay of I & A periodicals. Without them, consultation would be difficult and uncertain. After making up your mind about a specific approach, you sh
a) describes the issue/story ( Clearly identify which case you are using , b) explains why it has ethical implications ( Why is this an ethics issue? And What sorts of eth
ALPHABETICAL INDEXING LANGUAGES In this section let us look at the concept of indexing language, its categories and functional use. Let us begin with the meaning of 'indexi
EXPLAIN TRADE UNION PULL AND PUSH HYPOTHESIS
what are the main determinants of poverty?
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