@inproceedings{wang-etal-2005-web,
    title = "Web-Based Unsupervised Learning for Query Formulation in Question Answering",
    author = "Wang, Yi-Chia  and
      Wu, Jian-Cheng  and
      Liang, Tyne  and
      Chang, Jason S.",
    booktitle = "Second International Joint Conference on Natural Language Processing: Full Papers",
    year = "2005",
    url = "https://preview.aclanthology.org/fix-sig-urls/I05-1046/",
    doi = "10.1007/11562214_46"
}