Use of Faceted Classification
Faceted classification is a system of identifying items in multple groups in order to provide for users the ability to find items based on more than one criteria. For example, a user looking for a computer may want prefer to browse for products by PC vs. MAC, notebook vs. desktop, brand name, price, or any other element that may distiniguish one subset of computer from another.

Frequency of Faceted Classification: is it used?
Data Comparison: | 2002 | 2006 | |
---|---|---|---|
Yes | 69% | 79% | |
No | 31% | 21% | |
79% of sites studied made at least some use of faceted classification in 2006 - a modest increase from 2002.