@article{hiflashcommunicationefficienthierarchica,
  title = {HiFlash: Communication-Efficient Hierarchical Federated Learning with Adaptive Staleness Control and Heterogeneity-aware Client-Edge Association},
  author = {Qiong Wu and Xu Chen and Tao Ouyang and Zhi Zhou and Xiaoxi Zhang and Shusen Yang and Junshan Zhang},
  year = {2023},
  eprint = {2301.06447},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.06447v1},
}