@article{heterogeneousriskminimization,
  title = {Heterogeneous Risk Minimization},
  author = {Jiashuo Liu and Zheyuan Hu and Peng Cui and Bo Li and Zheyan Shen},
  year = {2021},
  eprint = {2105.03818},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.03818v3},
}