@inproceedings{crook-etal-2012-statistical,
    title = "A Statistical Spoken Dialogue System using Complex User Goals and Value Directed Compression",
    author = "Crook, Paul A.  and
      Wang, Zhuoran  and
      Liu, Xingkun  and
      Lemon, Oliver",
    editor = "Segond, Fr{\'e}d{\'e}rique",
    booktitle = "Proceedings of the Demonstrations at the 13th Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "2012",
    address = "Avignon, France",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/E12-2010/",
    pages = "46--50"
}