Preserved context index system (precis), Humanities

Assignment Help:

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: 

  1. The computer, not the indexer, should produce all index entries. The indexer's responsibility would be only to prepare the input strings and to give necessary instructions to the computer to generate indexes according to a definite format; 
  2. Each of the sought terms should find index entries and each entry should express the complete thought content/full context of the document  unlike the chain indexing where only one entry is fully co-extensive with the subject and others are cross references describing only  one  aspect of the complete  content of the document; 
  3. Each of the entries should be expressive; 
  4. The system should be based on a single set of logical rules to make it consistent; and 
  5. The system must have sufficient references for semantically related terms. PRECIS is now a recognised indexing model and has been adopted by a number of indexing agencies to produce subject indexes to a wide range of indexing tools like national bibliographies, library catalogues, indexes to audio-visual materials,  musical scores, micro documents, etc.  

Related Discussions:- Preserved context index system (precis)

Britain’s 1688 revolution, Britain's 1688 revolution : The 1688 Revolution,...

Britain's 1688 revolution : The 1688 Revolution, frequently termed as the 'Glorious Revolution of 1688', finished the reign of James II and ushered in the reign of William III and

Almanacs, Almanacs This section deals with almanacs. Like yearbooks, a...

Almanacs This section deals with almanacs. Like yearbooks, almanacs are also periodically published ready reference sources with similar objectives. Almanac literally means

Science and technology, describe the factors which decide the broad area of...

describe the factors which decide the broad area of scientific activity

Masters thesis, do you review masters thesis papers and correct english, gr...

do you review masters thesis papers and correct english, grammar, formatting, reading flow, etc

HUM 100 Worksheet: Cultures and Artifacts, I''m having trouble filling out ...

I''m having trouble filling out this worksheet. I just do not understand how to do this. I''ve let the Professor know by email getting no help from her.

Main entry and added entries, Main Entry and Added Entries   Of the sev...

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

Hydrology, Hydrology- It is the science which encompasses the properties, m...

Hydrology- It is the science which encompasses the properties, movement, distribution and occurrence of the waters of the earth and their association along with the environment ins

The development of chan - zen buddhism, The Development of Chan (Zen) Buddh...

The Development of Chan (Zen) Buddhism Amitabha Buddha Buddha of the Western Paradise, a.k.a. Pure Land Buddhism. Intercession of the help of this Buddha: if you recite his

Educational psychology, Educational Psychology -This psychology involves th...

Educational Psychology -This psychology involves the examined of how people learn, comprising topics as student outcomes, the instructional process, particular differences in learn

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd