@inproceedings{parikh-etal-2014-spectral,
    title = "Spectral Unsupervised Parsing with Additive Tree Metrics",
    author = "Parikh, Ankur P.  and
      Cohen, Shay B.  and
      Xing, Eric P.",
    editor = "Toutanova, Kristina  and
      Wu, Hua",
    booktitle = "Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = jun,
    year = "2014",
    address = "Baltimore, Maryland",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P14-1100/",
    doi = "10.3115/v1/P14-1100",
    pages = "1062--1072"
}