LSI - Latent Semantic Analysis is pretty useful in this field. Python has an amazing toolkit for it http://nltk.org/index.php http://nltk.org/index.php Email

LSI - Latent Semantic Analysis is pretty useful in this field. Python has an amazing toolkit for it http://nltk.org/index.php http://nltk.org/index.php Email me if you have any questions-I've been playing with this stuff for a while and it's really interesting.