Attention_BiLSTM+CRF

参考：
https://academic.oup.com/bioinformatics/article/34/8/1381/4657076

https://github.com/lingluodlut/Att-ChemdNER

https://blog.csdn.net/buppt/article/details/82961979

https://blog.csdn.net/u014108004/article/details/84141870

https://leowood.github.io/2018/07/05/基于Attention机制的Bi-LSTM关系抽取-分类-读书报告/

https://www.cnblogs.com/jiangxinyang/p/10208227.html

http://cdmd.cnki.com.cn/Article/CDMD-10561-1018873316.htm

https://blog.csdn.net/mpk_no1/article/details/72618683