@inproceedings{onlinedialoguepolicylearningwith,
  title = {On-line Dialogue Policy Learning with Companion Teaching},
  author = {Lu Chen and Runzhe Yang and Cheng Chang and Zihao Ye and Xiang Zhou and Kai Yu},
  year = {2017},
  booktitle = {EACL 2017 4},
  url = {https://aclanthology.org/E17-2032},
}