@inproceedings{murata-etal-2008-non,
    title = "Non-Factoid {J}apanese Question Answering through Passage Retrieval that Is Weighted Based on Types of Answers",
    author = "Murata, Masaki  and
      Tsukawaki, Sachiyo  and
      Kanamaru, Toshiyuki  and
      Ma, Qing  and
      Isahara, Hitoshi",
    booktitle = "Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-{II}",
    year = "2008",
    url = "https://aclanthology.org/I08-2100/"
}