文本自动分类

http://www.nltk.org/book/

http://stevenloria.com/how-to-build-a-text-classification-system-with-python-and-textblob/

http://www.nactem.ac.uk/dtc/DTC-Sasaki.pdf

https://github.com/ztane/python-Levenshtein/


http://stackoverflow.com/questions/682367/good-python-modules-for-fuzzy-string-comparison