An exploratory study for analyzing interactional processes of group discussion: the case of a focus group interview. - Kana Suzuki; Ikuyo Morimoto; Etsuo Mizukami; Hiroko Otsuka; Hitoshi Isahara (AI Soc., 2009)

Analysis of the relationship between writing skills and evaluation in an expository writing assignment. - Hiroko Otsuka; Mio Tsubakimoto; Hiroshi Numata (CogSci, 2012)

Identifying Tweets that Contain a 'Heartwarming Story'. - Manabu Okumura; Yohei Yamaguchi; Masatomo Suzuki; Hiroko Otsuka (KDIR, 2014)