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https://www.vobour.com/book/view/M44A6i977adRR54g2
https://www.slideshare.net/iyooha/ss-69350767
http://huns.me/development/716
https://www.slideshare.net/theeluwin/ss-69596991
https://brunch.co.kr/@haewonchoi/14
http://pythonkim.tistory.com/40
http://docs.likejazz.com/cnn-text-classification-tf/
http://moonsoyoung.com/90162094814
http://moonsoyoung.com/90134941437
http://moonsoyoung.com/90040618994