@inproceedings{understandingthecurseofhorizoninoff,
  title = {Understanding the Curse of Horizon in Off-Policy Evaluation via Conditional Importance Sampling},
  author = {Yao Liu and Pierre-Luc Bacon and Emma Brunskill},
  year = {2019},
  booktitle = {ICML 2020 1},
  eprint = {1910.06508},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.06508v2},
}