Danger level modeling and analysis of vehicle-pedestrian encounter using situation dependent topic model. - Kyohei Otsuka; Kosuke Hara; Teppei Suzuki; Yoshimitsu Aoki (Intelligent Vehicles Symposium, 2017)

An Environmental Semantic Search-Space Creation Method for News-Article Search Systems with Context-Oriented Interpretations. - Hanako Fujioka; Shiori Sasaki; Toshihiro Watanabe; Kyohei Otsuka; Masayuki Ishii; Yasushi Kiyoki (EJC, 2018)

Application of 5D World Map System to Large News-Article Database for Realizing Context-Diversity-Responsive Semantic Associative Search. - Shiori Sasaki; Yasushi Kiyoki; Hanako Fujioka; Toshihiro Watanabe; Kyohei Otsuka; Masayuki Ishii (EJC, 2018)