@inproceedings{suzuki-etal-2003-question,
    title = "Question Classification using {HDAG} Kernel",
    author = "Suzuki, Jun  and
      Taira, Hirotoshi  and
      Sasaki, Yutaka  and
      Maeda, Eisaku",
    booktitle = "Proceedings of the {ACL} 2003 Workshop on Multilingual Summarization and Question Answering",
    month = jul,
    year = "2003",
    address = "Sapporo, Japan",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W03-1208/",
    doi = "10.3115/1119312.1119320",
    pages = "61--68"
}