@article{collins-2003-head,
    title = "Head-Driven Statistical Models for Natural Language Parsing",
    author = "Collins, Michael",
    journal = "Computational Linguistics",
    volume = "29",
    number = "4",
    year = "2003",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/J03-4003/",
    doi = "10.1162/089120103322753356",
    pages = "589--637"
}