List of Indexing System

Name of Indexing	Developer	Year
Chain Indexing	S R Ranganathan	1934
PRECIS ( Preserved Context Indexing System )	Derek Austin	1968
Postulated Based Permuted Subject Indexing	G Bhatta Charya
Uniterm Indexing System	M Taube	1953
Citation Indexing	E Garfield
Subject Indexing	M E Sears
Keyword Indexing	H P Luhn	1959
Automated Indexing	H Ohlman
Thesaurus Indexing	P M Rogget
Compas Indexing		1991
Systematic Indexing	J Kaiser
British Technology Index / Current Technology Index	E J Coates