@article{improvedhardexampleminingbydiscovering,
  title = {Improved Hard Example Mining by Discovering Attribute-based Hard Person Identity},
  author = {Xiao Wang and Ziliang Chen and Rui Yang and Bin Luo and Jin Tang},
  year = {2019},
  eprint = {1905.02102},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1905.02102v3},
}