@inproceedings{wu-strzalkowski-2006-utilizing,
    title = "Utilizing Co-Occurrence of Answers in Question Answering",
    author = "Wu, Min  and
      Strzalkowski, Tomek",
    editor = "Calzolari, Nicoletta  and
      Cardie, Claire  and
      Isabelle, Pierre",
    booktitle = "Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P06-1147/",
    doi = "10.3115/1220175.1220322",
    pages = "1169--1176"
}