%0 Conference Proceedings %T Learning “O” Helps for Learning More: Handling the Unlabeled Entity Problem for Class-incremental NER %A Ma, Ruotian %A Chen, Xuanting %A Lin, Zhang %A Zhou, Xin %A Wang, Junzhe %A Gui, Tao %A Zhang, Qi %A Gao, Xiang %A Chen, Yun Wen %Y Rogers, Anna %Y Boyd-Graber, Jordan %Y Okazaki, Naoaki %S Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) %D 2023 %8 July %I Association for Computational Linguistics %C Toronto, Canada %F ma-etal-2023-learning %R 10.18653/v1/2023.acl-long.328 %U https://aclanthology.org/2023.acl-long.328/ %U https://doi.org/10.18653/v1/2023.acl-long.328 %P 5959-5979