@inproceedings{shen-2004-nondeterministic,
    title = "Nondeterministic {LTAG} Derivation Tree Extraction",
    author = "Shen, Libin",
    editor = "Rambow, Owen  and
      Stone, Matthew",
    booktitle = "Proceedings of the 7th International Workshop on Tree Adjoining Grammar and Related Formalisms",
    month = may,
    year = "2004",
    address = "Vancouver, Canada",
    publisher = "Simon Fraser University",
    url = "https://preview.aclanthology.org/iwcs-25-ingestion/W04-3327/",
    pages = "199--203"
}