Abstract
Japan has launched the e-Japan Strategy in early 2001, and has past almost for 13 years since the first priority program was announced by the IT Strategy Headquarters of Cabinet Secretariat. However, the progress is not outstanding, although the program has been frequently enhanced and revised to accelerate and boost the Strategy. Among others the e-Government policy is failed in the obvious enhancements of governmental services the people have anticipated. In this paper, from the methodological view point, I would mention the three indispensable considerations, evolution of business model, 5-layer Enterprise Architecture and shared object library, in order to lead the e-Government policy to successful goal.
