Locate and Label: A Two-stage Identifier for Nested Named Entity Recognition Yongliang Shen author Xinyin Ma author Zeqi Tan author Shuai Zhang author Wen Wang author Weiming Lu author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication shen-etal-2021-locate 10.18653/v1/2021.acl-long.216 https://aclanthology.org/2021.acl-long.216/ 2021-08 2782 2794