@inproceedings{busemann-etal-1997-natural,
    title = "Natural Language Dialogue Service for Appointment Scheduling Agents",
    author = "Busemann, Stephan  and
      Declerck, Thierry  and
      Diagne, Abdel Kader  and
      Dini, Luca  and
      Klein, Judith  and
      Schmeier, Sven",
    booktitle = "Fifth Conference on Applied Natural Language Processing",
    month = mar,
    year = "1997",
    address = "Washington, DC, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/A97-1006/",
    doi = "10.3115/974557.974563",
    pages = "25--32"
}