Coarse-to-Fine Pre-training for Named Entity Recognition Xue Mengge author Bowen Yu author Zhenyu Zhang author Tingwen Liu author Yue Zhang author Bin Wang author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication mengge-etal-2020-coarse 10.18653/v1/2020.emnlp-main.514 https://aclanthology.org/2020.emnlp-main.514/ 2020-11 6345 6354