@inproceedings{viethen-dale-2008-use,
    title = "The Use of Spatial Relations in Referring Expression Generation",
    author = "Viethen, Jette  and
      Dale, Robert",
    editor = "White, Michael  and
      Nakatsu, Crystal  and
      McDonald, David",
    booktitle = "Proceedings of the Fifth International Natural Language Generation Conference",
    month = jun,
    year = "2008",
    address = "Salt Fork, Ohio, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W08-1109/",
    pages = "59--67"
}