@inproceedings{usingoptionsandcovariancetestingforlong,
  title = {Using Options and Covariance Testing for Long Horizon Off-Policy Policy Evaluation},
  author = {Zhaohan Daniel Guo and Philip S. Thomas and Emma Brunskill},
  year = {2017},
  booktitle = {NeurIPS 2017 12},
  eprint = {1703.03453},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1703.03453v2},
}