@article{fromdistributedmachinelearningto1,
  title = {From Distributed Machine Learning to Federated Learning: A Survey},
  author = {Ji Liu and Jizhou Huang and Yang Zhou and Xuhong LI and Shilei Ji and Haoyi Xiong and Dejing Dou},
  year = {2021},
  eprint = {2104.14362},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.14362v4},
}