@inproceedings{belz-etal-2009-grec,
    title = "The {GREC} Main Subject Reference Generation Challenge 2009: Overview and Evaluation Results",
    author = "Belz, Anja  and
      Kow, Eric  and
      Viethen, Jette  and
      Gatt, Albert",
    editor = "Belz, Anja  and
      Evans, Roger  and
      Varges, Sebastian",
    booktitle = "Proceedings of the 2009 Workshop on Language Generation and Summarisation ({UCNLG}+{S}um 2009)",
    month = aug,
    year = "2009",
    address = "Suntec, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-2816/",
    pages = "79--87"
}