@inproceedings{ma-etal-2023-towards,
    title = "Towards Building More Robust {NER} datasets: An Empirical Study on {NER} Dataset Bias from a Dataset Difficulty View",
    author = "Ma, Ruotian  and
      Wang, Xiaolei  and
      Zhou, Xin  and
      Zhang, Qi  and
      Huang, Xuanjing",
    editor = "Bouamor, Houda  and
      Pino, Juan  and
      Bali, Kalika",
    booktitle = "Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing",
    month = dec,
    year = "2023",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2023.emnlp-main.281/",
    doi = "10.18653/v1/2023.emnlp-main.281",
    pages = "4616--4630"
}