@inproceedings{ma-etal-2023-learning,
    title = "Learning {\textquotedblleft}{O}{\textquotedblright} Helps for Learning More: Handling the Unlabeled Entity Problem for Class-incremental {NER}",
    author = "Ma, Ruotian  and
      Chen, Xuanting  and
      Lin, Zhang  and
      Zhou, Xin  and
      Wang, Junzhe  and
      Gui, Tao  and
      Zhang, Qi  and
      Gao, Xiang  and
      Chen, Yun Wen",
    editor = "Rogers, Anna  and
      Boyd-Graber, Jordan  and
      Okazaki, Naoaki",
    booktitle = "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2023",
    address = "Toronto, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/2023.acl-long.328/",
    doi = "10.18653/v1/2023.acl-long.328",
    pages = "5959--5979"
}