@inproceedings{aunifiedgenerativeframeworkforvarious,
  title = {A Unified Generative Framework for Various NER Subtasks},
  author = {Hang Yan and Tao Gui and Junqi Dai and Qipeng Guo and Zheng Zhang and Xipeng Qiu},
  year = {2021},
  booktitle = {ACL 2021 5},
  eprint = {2106.01223},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.01223v1},
}