@inproceedings{emms-2006-variants,
    title = "Variants of Tree Similarity in a Question Answering Task",
    author = "Emms, Martin",
    editor = "Nerbonne, John  and
      Hinrichs, Erhard",
    booktitle = "Proceedings of the Workshop on Linguistic Distances",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/landing_page/W06-1113/",
    pages = "100--108"
}