@inproceedings{conversationalgraphgroundedpolicylearnin,
  title = {Conversational Graph Grounded Policy Learning for Open-Domain Conversation Generation},
  author = {Jun Xu and Haifeng Wang and Zheng-Yu Niu and Hua Wu and Wanxiang Che and Ting Liu},
  year = {2020},
  booktitle = {ACL 2020 6},
  url = {https://aclanthology.org/2020.acl-main.166},
}