@article{hhhflhierarchicalheterogeneoushorizontal,
  title = {HHHFL: Hierarchical Heterogeneous Horizontal Federated Learning for Electroencephalography},
  author = {Dashan Gao and Ce Ju and Xiguang Wei and Yang Liu and Tianjian Chen and Qiang Yang},
  year = {2019},
  eprint = {1909.05784},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.05784v3},
}