@inproceedings{higashinaka-isozaki-2008-corpus,
    title = "Corpus-based Question Answering for why-Questions",
    author = "Higashinaka, Ryuichiro  and
      Isozaki, Hideki",
    booktitle = "Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-{I}",
    year = "2008",
    url = "https://preview.aclanthology.org/fix-sig-urls/I08-1055/"
}