@article{trialwithouterrortowardssafe,
  title = {Trial without Error: Towards Safe Reinforcement Learning via Human Intervention},
  author = {William Saunders and Girish Sastry and Andreas Stuhlmueller and Owain Evans},
  year = {2017},
  eprint = {1707.05173},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.05173v1},
}