@proceedings{ws-2009-sigdial,
    title = "Proceedings of the {SIGDIAL} 2009 Conference",
    editor = "Healey, Patrick  and
      Pieraccini, Roberto  and
      Byron, Donna  and
      Young, Steve  and
      Purver, Matthew",
    month = sep,
    year = "2009",
    address = "London, UK",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Author-page-Marten-During-lu/W09-3900/"
}