9th IEEE International Conference on E-Commerce Technology (CEC 2007) / 4th IEEE International Conference on Enterprise Computing, E-Commerce and E-Services (EEE 2007), 23-26 July 2007, National Center of Sciences, Tokyo, Japan

9th IEEE International Conference on E-Commerce Technology (CEC 2007) / 4th IEEE International Conference on Enterprise Computing, E-Commerce and E-Services (EEE 2007), 23-26 July 2007, National Center of Sciences, Tokyo, Japan CEC/EEE IEEE Computer Society 2007 db/conf/wecwis/cec2007.html