@inproceedings{belz-gatt-2009-generation,
    title = "Generation {C}hallenges 2009: Preface",
    author = "Belz, Anja  and
      Gatt, Albert",
    editor = {Krahmer, Emiel  and
      Theune, Mari{\"e}t},
    booktitle = "Proceedings of the 12th {E}uropean Workshop on Natural Language Generation ({ENLG} 2009)",
    month = mar,
    year = "2009",
    address = "Athens, Greece",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W09-0627/",
    pages = "162--164"
}