@inproceedings{kalpakchi-boye-2020-udon2,
    title = "{UD}on2: a library for manipulating {U}niversal {D}ependencies trees",
    author = "Kalpakchi, Dmytro  and
      Boye, Johan",
    editor = "de Marneffe, Marie-Catherine  and
      de Lhoneux, Miryam  and
      Nivre, Joakim  and
      Schuster, Sebastian",
    booktitle = "Proceedings of the Fourth Workshop on Universal Dependencies (UDW 2020)",
    month = dec,
    year = "2020",
    address = "Barcelona, Spain (Online)",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.udw-1.14/",
    pages = "120--125",
    abstract = "UDon2 is an open-source library for manipulating dependency trees represented in the CoNLL-U format. The library is compatible with the Universal Dependencies. UDon2 is aimed at developers of downstream Natural Language Processing applications that require manipulating dependency trees on the sentence level (in addition to other available tools geared towards working with treebanks)."
}