@article{researchonannotationrulesandrecognition,
  title = {Research on Annotation Rules and Recognition Algorithm Based on Phrase Window},
  author = {Guang Liu and Gang Tu and Zheng Li and Yi-Jian Liu},
  year = {2020},
  eprint = {2007.03140},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.03140v1},
}