Folksonomies - Cooperative Classification and Communication Through Shared Metadata

Folksonomies - Cooperative Classification and Communication Through Shared Metadata
This is a good article defining and describing classification systems created through a non-regulated process of keyword or metadata attribution - folksonomies. The idea, dervived in this case from Flickr, is that people write whatever they think is appropriate to describe an image, and categories emerge as natural clusters based on these descriptions. More...