@proceedings{ws-2006-international,
    title = "Proceedings of the Fourth International Natural Language Generation Conference",
    editor = "Colineau, Nathalie  and
      Paris, C{\'e}cile  and
      Wan, Stephen  and
      Dale, Robert",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W06-1400",
}