This is very cool. If you want to play with topic modeling I'd suggest starting with Mallet (http://mallet.cs.umass.edu http://mallet.cs.umass.edu) For an idea

This is very cool. If you want to play with topic modeling I'd suggest starting with Mallet (http://mallet.cs.umass.edu http://mallet.cs.umass.edu) For an idea of what topic modeling can do, check out http://bit.ly/wikitopics http://bit.ly/wikitopics which provides a web-based UI for browsing through Wikileaks' Cablegate dump (powered by topic modeling/LDA/Mallet).