Better Feature Integration for Named Entity Recognition Lu Xu author Zhanming Jie author Wei Lu author Lidong Bing author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication xu-etal-2021-better 10.18653/v1/2021.naacl-main.271 https://aclanthology.org/2021.naacl-main.271/ 2021-06 3457 3469