Real-Time Discovery of Currently and Heavily Viewed Web Pages. - Kazutaka Maruyama; Kiyotaka Takasuka; Yuta Yagihara; Satoshi Machida; Yuichiro Shirai; Minoru Terada (WEBIST (1), 2006)

Web Page Recommendation by URL-based Collaborative Filtering. - Kiyotaka Takasuka; Minoru Terada; Kazutaka Maruyama (WEBIST (2), 2007)

Extracting Precise Activities of Users from HTTP Logs. - Kiyotaka Takasuka; Kazutaka Maruyama; Minoru Terada; Yoshikatsu Tada (WEBIST, 2009)