@inproceedings{hakkani-tur-etal-2005-using,
    title = "Using Semantic and Syntactic Graphs for Call Classification",
    author = {Hakkani-T{\"u}r, Dilek  and
      Tur, Gokhan  and
      Chotimongkol, Ananlada},
    editor = "Ringger, Eric",
    booktitle = "Proceedings of the {ACL} Workshop on Feature Engineering for Machine Learning in Natural Language Processing",
    month = jun,
    year = "2005",
    address = "Ann Arbor, Michigan",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W05-0404/",
    pages = "24--31"
}