Ranking the NTCIR ACLIA IR4QA Systems without Relevance Assessments. - Tetsuya Sakai; Noriko Kando; Hideki Shima 001; Chuan-Jie Lin; Ruihua Song; Miho Sugimoto; Teruko Mitamura (Inf. Media Technol., 2009)

Overview of NTCIR-8 ACLIA IR4QA. - Tetsuya Sakai; Hideki Shima 001; Noriko Kando; Ruihua Song; Chuan-Jie Lin; Teruko Mitamura; Miho Sugimoto; Cheng-Wei Lee 001 (NTCIR, 2010)

Overview of the NTCIR-9 INTENT Task. - Ruihua Song; Min Zhang 006; Tetsuya Sakai; Makoto P. Kato; Yiqun Liu 001; Miho Sugimoto; Qinglei Wang; Naoki Orii (NTCIR, 2011)