@inproceedings{le-roux-etal-2006-constraint,
    title = "A Constraint Driven Metagrammar",
    author = "Le Roux, Joseph  and
      Crabb{\'e}, Beno{\^i}t  and
      Parmentier, Yannick",
    editor = "Becker, Tilman  and
      Kallmeyer, Laura",
    booktitle = "Proceedings of the Eighth International Workshop on Tree Adjoining Grammar and Related Formalisms",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W06-1502/",
    pages = "9--16"
}