@inproceedings{spitkovsky-etal-2011-unsupervised,
    title = "Unsupervised Dependency Parsing without Gold Part-of-Speech Tags",
    author = "Spitkovsky, Valentin I.  and
      Alshawi, Hiyan  and
      Chang, Angel X.  and
      Jurafsky, Daniel",
    editor = "Barzilay, Regina  and
      Johnson, Mark",
    booktitle = "Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing",
    month = jul,
    year = "2011",
    address = "Edinburgh, Scotland, UK.",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/D11-1118/",
    pages = "1281--1290"
}