BCCWJ-TimeBank: Temporal and Event Information Annotation on Japanese Text 論文 Masayuki Asahara・Sachi Yasuda・Hikari Konishi・Mizuho Imada・Kikuo Maekawa ·2013-11-01 ·19(3) pp. 206-214 National Institute of Informatics waseda.repo.nii.ac.jp