A Unified Generative Framework for Various NER Subtasks Hang Yan author Tao Gui author Junqi Dai author Qipeng Guo author Zheng Zhang author Xipeng Qiu 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 yan-etal-2021-unified-generative 10.18653/v1/2021.acl-long.451 https://aclanthology.org/2021.acl-long.451/ 2021-08 5808 5822