Three Systems and One Verifier - HOKUM's Participation in QAC3 of NTCIR-5. - Yasutomo Kimura; Kenji Ishida; Hirotaka Imaoka; Fumito Masui; Marcin Skowron; Rafal Rzepka; Kenji Araki (NTCIR, 2005)

How We Did How, What and Why - HOMIO's Participation in QAC4 of NTCIR-6. - Yasutomo Kimura; Kenji Ishida; Hirotaka Imaoka; Fumito Masui; Keisuke Kameyama; Rafal Rzepka; Kenji Araki (NTCIR, 2007)