KOHA: 2000

Drupal : 2000

E Print : 2000

DSpace : 2002

Joomla: 2005

NewGenLib: 2005

Evergreen: 2006

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One Liners
Library and Information Science
15.02.2023

POPSI
Full Form: Postulate based permuted subject index
Develope by: Ganesh Bhattacharya
Developed Year: 1964
G Bhattacharya under the organisation DRTC.

POPSI elementary categories
Discipline (D)
Entity (E)
Action (A)
Property (P)

MODIFIED (M)

Note: Modifier related to all elementary categories, also represents the quality of D, E, A, P

POPSI is Revised form of chain procedure.

PRECIS
Preserved Context Index System
Derek Austin
1968
Under the Classification Research Group (CRG)

First used by BNB (British National Bibliography) at 1971

PRECIS five main role operator

Main line Operator
Interposed Operator
Differencing Operator
Connective
Main Subject Interrelationship

Another indexing

Citation Indexing

By Frank Shepard
First Use as Law.
Scopus based on citation indexing.

Citation index for legal cases was released in 1873 with the publication of Shepard's Citations. William Adair, a former president of Shepard's Citations, suggested in 1920 that citation indexes

KWIC

Key word in context

Developed at 1958 by H P Luhn

KWOC

Key Word Out of Context

KWAC

Key Word Augmented in Context

KWWC

Key Word With Context