TechnoratiTags

ThoughtStorms Wiki

A scheme for TypedLinks from TechnoRati

About : http://www.technorati.com/help/tags.html Read with FolkSonomies, KnowledgeIsNotATree)

Criticism : http://gigaom.com/2005/08/02/the-dark-side-of-technorati-tags/

A BottomUp classification system driven by a TopDown agent : the SearchEngine TechnoRati (so maybe it's MiddleSpace)

See also :

FolkSonomies

BillSeitz:z2004-01-18-TechnoratiTags on relevance to wiki.

TaggingAndFraming

GroupForming

Also from TechnoRati : VoteLinks

Contrast :

SemanticWeb (remember ClayShirky's criticism, tags are the alternative)

TopicExchange

(WarpLink) DistributedMarkets

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