@article{sublinearoptimalpolicyvalueestimationin,
  title = {Sublinear Optimal Policy Value Estimation in Contextual Bandits},
  author = {Weihao Kong and Gregory Valiant and Emma Brunskill},
  year = {2019},
  eprint = {1912.06111},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1912.06111v2},
}