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.
P. Venetis, G. Koutrika, und H. Garcia-Molina. Proceedings of the fourth ACM international conference on Web search and data mining, Seite 835--844. New York, NY, USA, ACM, (2011)
M. Halvey, und M. Keane. WWW '07: Proceedings of the 16th international conference on World Wide Web, Seite 1313--1314. New York, NY, USA, ACM Press, (2007)