@inproceedings{chang-etal-2017-affordable,
    title = "Affordable On-line Dialogue Policy Learning",
    author = "Chang, Cheng  and
      Yang, Runzhe  and
      Chen, Lu  and
      Zhou, Xiang  and
      Yu, Kai",
    editor = "Palmer, Martha  and
      Hwa, Rebecca  and
      Riedel, Sebastian",
    booktitle = "Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing",
    month = sep,
    year = "2017",
    address = "Copenhagen, Denmark",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/D17-1234/",
    doi = "10.18653/v1/D17-1234",
    pages = "2200--2209"
}