@inproceedings{iobeslibraryforspanlevelprocessing,
  title = {iobes: Library for Span Level Processing},
  author = {Brian Lester},
  year = {2020},
  booktitle = {EMNLP (NLPOSS) 2020 11},
  url = {https://aclanthology.org/2020.nlposs-1.16},
}