10 Sep 2003
CS 6210: Module 5
15/18
Types of classification
¡Enumerative
lProduce an alphabetical list of subject headings, assign numbers to each heading in alphabetical order
l
¡Hierarchical
lRecursively divides subjects hierarchically, from most general to most specific
l
¡Faceted (analytico-synthetic):
lAnalytic: Divides subjects into mutually exclusive orthogonal facets
lSynthetic: Combine facets to get a new class
l
¡ - From Taylor (92)
E and H are usually put together