https://mp.weixin.qq.com/s/gKlyvv8hzlHRAOLRlVV3dw https://yq.aliyun.com/articles/66158?spm=5176.100239.blogcont66158.12.mhq8CR

http://www.52nlp.cn/cikm-competition-topdata

https://www.jiqizhixin.com/articles/2017-08-01-8

https://zhuanlan.zhihu.com/p/28056618

https://zhuanlan.zhihu.com/p/27999355