@inproceedings{li-etal-2008-classifying,
    title = "Classifying What-Type Questions by Head Noun Tagging",
    author = "Li, Fangtao  and
      Zhang, Xian  and
      Yuan, Jinhui  and
      Zhu, Xiaoyan",
    editor = "Scott, Donia  and
      Uszkoreit, Hans",
    booktitle = "Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008)",
    month = aug,
    year = "2008",
    address = "Manchester, UK",
    publisher = "Coling 2008 Organizing Committee",
    url = "https://aclanthology.org/C08-1061/",
    pages = "481--488"
}