@article{attackrmseleaderboardanintroductionand,
  title = {Attack RMSE Leaderboard: An Introduction and Case Study},
  author = {Cong Xie},
  year = {2018},
  eprint = {1802.04947},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.04947v1},
}