@inproceedings{roark-johnson-1999-efficient,
    title = "Efficient probabilistic top-down and left-corner parsing",
    author = "Roark, Brian  and
      Johnson, Mark",
    booktitle = "Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1999",
    address = "College Park, Maryland, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P99-1054/",
    doi = "10.3115/1034678.1034743",
    pages = "421--428"
}