@inproceedings{huang-etal-2008-question,
    title = "Question Classification using Head Words and their Hypernyms",
    author = "Huang, Zhiheng  and
      Thint, Marcus  and
      Qin, Zengchang",
    editor = "Lapata, Mirella  and
      Ng, Hwee Tou",
    booktitle = "Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2008",
    address = "Honolulu, Hawaii",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/landing_page/D08-1097/",
    pages = "927--936"
}