DiFiNet: Boundary-Aware Semantic Differentiation and Filtration Network for Nested Named Entity Recognition Yuxiang Cai author Qiao Liu author Yanglei Gan author Run Lin author Changlin Li author Xueyi Liu author Da Luo author JiayeYang JiayeYang author 2024-08 text Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication cai-etal-2024-difinet 10.18653/v1/2024.acl-long.349 https://aclanthology.org/2024.acl-long.349/ 2024-08 6455 6471