5w viewpoints associative topic search for networked conversation support system. - Yukitaka Kusumura; Hironori Mizuguchi; Dai Kusui; Yoshio Ishizawa; Yusuke Muraoka (HRI, 2010)

A method for conversational topic recommendation to appropriate user group. - Yoshio Ishizawa; Dai Kusui; Hironori Mizuguchi; Yukitaka Kusumura; Yusuke Muraoka (ICDIM, 2011)