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/
C. Brooks, R. Panesar, and J. Greer. Innovative Approaches for Learning and Knowledge Sharing, page 34--44. Berlin, Heidelberg, Springer Berlin Heidelberg, (2006)
Y. Shen, T. Jeng, and Y. Hsu. Cooperative Design, Visualization, and Engineering, page 102--109. Berlin, Heidelberg, Springer Berlin Heidelberg, (2011)
S. Bateman, C. Gutwin, and G. McCalla. Proceedings of the 2013 Conference on Computer Supported Cooperative Work, page 955--966. New York, NY, USA, ACM, (2013)
A. Nauerz, S. Pietschmann, and R. Pietzsch. Proceedings of the 3rd International Workshop on Adaptation and Evolution in Web Systems Engineering at 8th International Conference on Web Engineering 2008, (Jul 16, 2008)
M. Riedl, and R. St. Amant. AAMAS '03: Proceedings of the second international joint conference on Autonomous agents and multiagent systems, page 361--368. New York, NY, USA, ACM Press, (2003)
J. Kurhila, M. Miettinen, P. Nokelainen, P. Flor&\#233;en, and H. Tirri. ITiCSE '03: Proceedings of the 8th annual conference on Innovation and technology in computer science education, 35, page 173--177. New York, NY, USA, ACM Press, (September 2003)
P. Brusilovsky, R. Farzan, and J. Ahn. JCDL '05: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries, page 9--18. New York, NY, USA, ACM, (2005)
A. Wexelblat, and P. Maes. Proceedings of the SIGCHI conference on Human factors in computing systems: the CHI is the limit, page 270--277. New York, NY, USA, ACM, (1999)
E. Wilde, S. Anand, and P. Zimmermann. Research and Advanced Technology for Digital Libraries, 9th European Conference, ECDL 2005, Vienna, Austria, September 18-23, 2005, Proceedings, volume 3652 of Lecture Notes in Computer Science, page 479--480. Springer, (2005)
R. Farzan, and P. Brusilovsky. Adaptive Hypermedia and Adaptive Web-Based Systems: 4th International Conference, AH 2006, volume 4018 of Lecture Notes in Computer Science, page 91--100. Berlin, Springer Verlag, (2006)