@article{pretrainedmodelsfornaturallanguage,
  title = {Pre-trained Models for Natural Language Processing: A Survey},
  author = {Xipeng Qiu and Tianxiang Sun and Yige Xu and Yunfan Shao and Ning Dai and Xuanjing Huang},
  year = {2020},
  eprint = {2003.08271},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.08271v4},
}