1减途、sklearn
http://scikit-learn.org/stable/modules/classes.html
2褐荷、gensim
https://radimrehurek.com/gensim/apiref.html
3逸绎、scipy
https://docs.scipy.org/doc/scipy/reference/
4管宵、nltk
https://www.nltk.org/api/nltk.html
5懊悯、tensorflow
https://www.tensorflow.org/api_docs/python/?hl=zh-cn
參考資料
http://python.jobbole.com/81834/
http://python.jobbole.com/85094/
https://zhuanlan.zhihu.com/p/25004227