@article{whichsamplesshouldbelearnedfirsteasyor1,
  title = {Which Samples Should be Learned First: Easy or Hard?},
  author = {Xiaoling Zhou and Ou wu},
  year = {2021},
  eprint = {2110.05481},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.05481v4},
}