24 Aug 2004
CS 5244: Indexing / Classification
22
Colon Classification
¡Raganathan proposed 5 basic facets (PMEST):
lPersonality – the subject matter
lMaterial
lEnergy –
process or action
lSpace
lTime
¡Each facet would have
its own classification schedule
its own classification schedule
¡String together notation
to get classification number
to get classification number
Example:
The design of wooden furniture in 18th century America
The design of wooden furniture
in 18th century America
in 18th century America
The D21 of W12 F290
in R2 U20
in R2 U20
D21:W12:F290:R2:U20
