@article{oracleefficientpessimismofflinepolicy,
  title = {Oracle-Efficient Pessimism: Offline Policy Optimization in Contextual Bandits},
  author = {Lequn Wang and Akshay Krishnamurthy and Aleksandrs Slivkins},
  year = {2023},
  eprint = {2306.07923},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2306.07923v2},
}