@inproceedings{aspanbasedmodelforjointoverlappedand,
  title = {A Span-Based Model for Joint Overlapped and Discontinuous Named Entity Recognition},
  author = {Fei Li and Zhichao Lin and Meishan Zhang and Donghong Ji},
  year = {2021},
  booktitle = {ACL 2021 5},
  eprint = {2106.14373},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.14373v1},
}