@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/ingest_wac_2008/I08-1055/" }