@article{unifiednamedentityrecognitionaswordword,
  title = {Unified Named Entity Recognition as Word-Word Relation Classification},
  author = {Jingye Li and Hao Fei and Jiang Liu and Shengqiong Wu and Meishan Zhang and Chong Teng and Donghong Ji and Fei Li},
  year = {2021},
  eprint = {2112.10070},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.10070v1},
}