@inproceedings{cotterill-2011-question,
    title = "Question Classification for Email",
    author = "Cotterill, Rachel",
    editor = "Bos, Johan  and
      Pulman, Stephen",
    booktitle = "Proceedings of the Ninth International Conference on Computational Semantics ({IWCS} 2011)",
    year = "2011",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W11-0137/"
}