@article{smartbirdlearnablesparseattentionfor,
  title = {Smart Bird: Learnable Sparse Attention for Efficient and Effective Transformer},
  author = {Chuhan Wu and Fangzhao Wu and Tao Qi and Binxing Jiao and Daxin Jiang and Yongfeng Huang and Xing Xie},
  year = {2021},
  eprint = {2108.09193},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.09193v3},
}