@inproceedings{evang-etal-2019-ccgweb,
    title = "{CCG}web: a New Annotation Tool and a First Quadrilingual {CCG} Treebank",
    author = "Evang, Kilian  and
      Abzianidze, Lasha  and
      Bos, Johan",
    editor = "Friedrich, Annemarie  and
      Zeyrek, Deniz  and
      Hoek, Jet",
    booktitle = "Proceedings of the 13th Linguistic Annotation Workshop",
    month = aug,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/W19-4005/",
    doi = "10.18653/v1/W19-4005",
    pages = "37--42",
    abstract = "We present the first open-source graphical annotation tool for combinatory categorial grammar (CCG), and the first set of detailed guidelines for syntactic annotation with CCG, for four languages: English, German, Italian, and Dutch. We also release a parallel pilot CCG treebank based on these guidelines, with 4x100 adjudicated sentences, 10K single-annotator fully corrected sentences, and 82K single-annotator partially corrected sentences."
}