HMTL5 Word Cloud generates tag clouds by analyzing the most frequently used terms and phrases in Wikipedia articles, uploaded files, RSS feeds, and social media profiles (Facebook, Twitter, and Google+).
http://socialmediaslant.com/html5-word-cloud/
F. Abel, N. Henze, and D. Krause. WWW '08: Proceeding of the 17th international conference on World Wide Web, page 1147--1148. New York, NY, USA, ACM, (2008)
F. Abel, N. Henze, and D. Krause. WWW '08: Proceeding of the 17th international conference on World Wide Web, page 1147--1148. New York, NY, USA, ACM, (2008)
O. Aubert, and Y. Pri&\#233;. HYPERTEXT '05: Proceedings of the sixteenth ACM conference on Hypertext and hypermedia, page 235--244. New York, NY, USA, ACM Press, (2005)