Knowledge Federation: A Unified and Hierarchical Privacy-Preserving AI Framework

@misc{li2020knowledgefederationunified,
      title={Knowledge Federation: A Unified and Hierarchical Privacy-Preserving AI Framework},
      author={Xiaolin Li and Hong Wang and Dan Meng and Hongyu Li},
      year={2020},
      eprint={2002.01647},
      archivePrefix={arXiv},
      primaryClass={cs.CR},
      url={https://arxiv.org/abs/2002.01647},
}