Reducing the Amount of Small Data Communication for Telematics Services. - Hirohito Kakizawa; Ryozo Kiyohara (AINA, 2014)

Reduction in the amount of probe data during smartphone use of telematics services. - Hirohito Kakizawa; Tsubasa Kato; Tatsuya Que; Ryozo Kiyohara; Shinji Kitagami; Yoshiaki Terashima; Masashi Saito (ICMU, 2014)

A method of gathering probe data with smartphones for telematics services in urban areas. - Hirohito Kakizawa; Ryuichi Iwakiri; Ryozo Kiyohara (ICCE, 2016)