@inproceedings{cuayahuitl-etal-2012-hierarchical,
    title = "Hierarchical Dialogue Policy Learning using Flexible State Transitions and Linear Function Approximation",
    author = "Cuay{\'a}huitl, Heriberto  and
      Kruijff-Korbayov{\'a}, Ivana  and
      Dethlefs, Nina",
    editor = "Kay, Martin  and
      Boitet, Christian",
    booktitle = "Proceedings of {COLING} 2012: Demonstration Papers",
    month = dec,
    year = "2012",
    address = "Mumbai, India",
    publisher = "The COLING 2012 Organizing Committee",
    url = "https://aclanthology.org/C12-3012/",
    pages = "95--102"
}