@inproceedings{structuredrefinementforsequentiallabelin,
  title = {Structured Refinement for Sequential Labeling},
  author = {Yiran Wang and Hiroyuki Shindo and Yuji Matsumoto and Taro Watanabe},
  year = {2021},
  booktitle = {Findings (ACL) 2021 8},
  url = {https://aclanthology.org/2021.findings-acl.164},
}