@InProceedings{li-EtAl:2016:EMNLP20162,
  author    = {Li, Jiwei  and  Monroe, Will  and  Ritter, Alan  and  Jurafsky, Dan  and  Galley, Michel  and  Gao, Jianfeng},
  title     = {Deep Reinforcement Learning for Dialogue Generation},
  booktitle = {Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing},
  month     = {November},
  year      = {2016},
  address   = {Austin, Texas},
  publisher = {Association for Computational Linguistics},
  pages     = {1192--1202},
  url       = {https://aclweb.org/anthology/D16-1127}
}