Improving Named Entity Recognition in Tweets via Detecting Non-Standard Words Chen Li author Yang Liu author 2015-07 text Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Michael Strube editor Association for Computational Linguistics Beijing, China conference publication li-liu-2015-improving 10.3115/v1/P15-1090 https://aclanthology.org/P15-1090/ 2015-07 929 938