@article{goalorienteddialoguepolicylearningfrom,
  title = {Goal-oriented Dialogue Policy Learning from Failures},
  author = {Keting Lu and Shiqi Zhang and Xiaoping Chen},
  year = {2018},
  eprint = {1808.06497},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1808.06497v2},
}