DiffusionNER: Boundary Diffusion for Named Entity Recognition Yongliang Shen author Kaitao Song author Xu Tan author Dongsheng Li author Weiming Lu author Yueting Zhuang author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication shen-etal-2023-diffusionner 10.18653/v1/2023.acl-long.215 https://aclanthology.org/2023.acl-long.215/ 2023-07 3875 3890