@inproceedings{rotaru-litman-2007-utility,
    title = "The Utility of a Graphical Representation of Discourse Structure in Spoken Dialogue Systems",
    author = "Rotaru, Mihai  and
      Litman, Diane",
    editor = "Zaenen, Annie  and
      van den Bosch, Antal",
    booktitle = "Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P07-1046/",
    pages = "360--367"
}