@article{sparsebertrethinkingtheimportanceanalysi,
  title = {SparseBERT: Rethinking the Importance Analysis in Self-attention},
  author = {Han Shi and Jiahui Gao and Xiaozhe Ren and Hang Xu and Xiaodan Liang and Zhenguo Li and James T. Kwok},
  year = {2021},
  eprint = {2102.12871},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.12871v3},
}