NLP部分
Lucene, Elastic Search, Solr 都是检索系统。
Elastic Search:
http://www.ruanyifeng.com/blog/2017/08/elasticsearch.html
https://www.elastic.co/guide/cn/elasticsearch/guide/cn/getting-started.html
https://www.jianshu.com/p/05cff717563c
深度学习在NLP的中应用：
概览：https://blog.csdn.net/u011500062/article/details/52228952
https://www.jiqizhixin.com/articles/2019-02-28-12
QA问答： https://blog.csdn.net/u011537073/article/details/54964359
https://www.jiqizhixin.com/articles/2018-01-13-20
