@proceedings{conll-2019-natural,
    title = "Proceedings of the 23rd Conference on Computational Natural Language Learning (CoNLL)",
    editor = "Bansal, Mohit  and
      Villavicencio, Aline",
    month = nov,
    year = "2019",
    address = "Hong Kong, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/K19-1000/"
}