TagCloud is an automated Folksonomy tool. Essentially, TagCloud searches any number of RSS feeds you specify, extracts keywords from the content and lists them according to prevalence within the RSS feeds.
As I <a href="http://blog.pietrosperoni.it/2005/04/12/technorati-tag-rss/">predicted</a>, a service that offers rss feed of technorati tag blog entries has appeared.
B. Sigurbjörnsson, and R. van Zwol. WWW '08: Proceeding of the 17th International Conference on World Wide Web, page 327--336. New York, NY, USA, ACM, (2008)
P. Heymann, D. Ramage, and H. Garcia-Molina. SIGIR '08: Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 531--538. New York, NY, USA, ACM, (2008)
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)
G. Mishne. WWW '06: Proceedings of the 15th International Conference on World Wide Web, page 953--954. New York, NY, USA, ACM Press, (2006)paper presented at the poster track.
V. Tanasescu, and O. Streibel. Proceedings of the International Workshop on Emergent Semantics and
Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)
V. Tanasescu, and O. Streibel. Proceedings of the International Workshop on Emergent Semantics and Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)