About TANAKA Ken-ichi
About Department of Administration Engineering, Keio University
About MIYASHIRO Ryuhei
About Institute of Engineering, Tokyo University of Agriculture and Technology
About MIYAMOTO Yuichiro
About Department of Information and Communication Sciences, Sophia University
About Journal of Advanced Mechanical Design, Systems, and Manufacturing (Web)
About route
About path problem
About distance
About safety
About traffic accident
About reduction
About network
About design
About optimization
About integer programming
About network design
About risk reduction
About hierarchical network
About route problem
About walking distance
About pedestrian safety
About Safe walking route design problem
About Child road safety
About Network design
About Integer programming
About Layered network
About Motor vehicle accidents,traffic safety
About Network methods
About 歩行
About 経路
About 設計
About 階層ネットワーク
About 定式化