@inproceedings{simov-osenova-2015-catena,
    title = "Catena Operations for Unified Dependency Analysis",
    author = "Simov, Kiril  and
      Osenova, Petya",
    editor = "Nivre, Joakim  and
      Haji{\v{c}}ov{\'a}, Eva",
    booktitle = "Proceedings of the Third International Conference on Dependency Linguistics (Depling 2015)",
    month = aug,
    year = "2015",
    address = "Uppsala, Sweden",
    publisher = "Uppsala University, Uppsala, Sweden",
    url = "https://preview.aclanthology.org/fix-sig-urls/W15-2135/",
    pages = "320--329"
}