Computer-Aided Delivery of High-Intensity Focused Ultrasound (HIFU) for Creation of an Atrial Septal Defect in Vivo. - Hiromasa Yamashita; Tetsuko Ishii; Akihiko Ishiyama; Noriyoshi Nakayama; Toshinobu Miyoshi; Yoshitaka Miyamoto; Gontaro Kitazumi; Yasumasa Katsuike; Makoto Okazaki; Takashi Azuma; Masayuki Fujisaki; Shin-ichi Takamoto; et al. (MIAR, 2008)

Semantic Twitter: Analyzing Tweets for Real-Time Event Notification. - Makoto Okazaki; Yutaka Matsuo (BlogTalk, 2009)

Earthquake shakes Twitter users: real-time event detection by social sensors. - Takeshi Sakaki; Makoto Okazaki; Yutaka Matsuo (WWW, 2010)

Tweet Analysis for Real-Time Event Detection and Earthquake Reporting System Development. - Takeshi Sakaki; Makoto Okazaki; Yutaka Matsuo (IEEE Trans. Knowl. Data Eng., 2013)