This piece is based on two talks I gave in the spring of 2005 -- one at the O'Reilly ETech conference in March, entitled "Ontology Is Overrated", and one at the IMCExpo in April entitled "Folksonomies & Tags: The rise of user-developed classification." Th
P. Chirita, S. Costache, W. Nejdl, and S. Handschuh. WWW '07: Proceedings of the 16th International Conference on World Wide Web, page 845--854. New York, NY, USA, ACM, (2007)
C. Firan, W. Nejdl, and R. Paiu. LA-WEB '07: Proceedings of the 2007 Latin American Web Conference, page 32--41. Washington, DC, USA, IEEE Computer Society, (2007)