@inproceedings{ide-suderman-2007-graf,
    title = "{G}r{AF}: A Graph-based Format for Linguistic Annotations",
    author = "Ide, Nancy  and
      Suderman, Keith",
    editor = "Boguraev, Branimir  and
      Ide, Nancy  and
      Meyers, Adam  and
      Nariyama, Shigeko  and
      Stede, Manfred  and
      Wiebe, Janyce  and
      Wilcock, Graham",
    booktitle = "Proceedings of the Linguistic Annotation Workshop",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W07-1501/",
    pages = "1--8"
}