Analysis of Quality of Data in OpenStreetMap. - Tomomichi Hayakawa; Yuma Imi; Takayuki Ito 001 (CEC, 2012)

Analyzing the Effect of Open Street Map During Crises: The Great East Japan Earthquake. - Yuma Imi; Tomomichi Hayakawa; Takayuki Ito 001 (CEC, 2012)

Implementation of an Event Information Sharing Support System Utilizing OpenStreetMap. - Kohei Hayakawa; Tomomichi Hayakawa; Takayuki Ito 001 (IEA/AIE (2), 2014)

An Implementation of a Local Issue Sharing System Based on Incentive Mechanism. - Tatsunosuke Tsuboi; Tomomichi Hayakawa; Ryo Suzuki; Takayuki Ito 001 (SOCA, 2014)

Development of River Information Management System according to the participatory sensing. - Tomomichi Hayakawa; Ryo Suzuki; Takayuki Ito 001 (ICIS, 2016)