Enterprise architecture (EA) is one of the most important and effective tools for delivering high-quality e-government services to citizens. In this study, we used organizational performance and change theory to determine factors that contribute to the successful implementation of EA. We classified these factors as one of two types: transformation change (TFC) and transactional change (TSC). To identify these factors, we collected survey data from Korean public sectors that have implemented EA for years. Results show that while EA management systems (EAMS) and EA guidelines directly affect EA performance, laws and regulations, and EA organization exert an indirect effect. Further, top management support had both direct and indirect effect on EA performance. Ultimately, the findings produced by this study have implications for government institutions that plan to implement EA.
Enterprise architecture (EA) is one of the most important tools for implementing e-government effectively and delivering high-quality information technology services to citizens. To develop a robust EA research model with key success factors, we apply the theory of organizational change proposed by Burke and Litwin, using the concepts of transformational and transactional change. The analysis is conducted by using South Korea's EA project launched in 2003. This study classifies EA implementation in the South Korean public sector into three stages and explains the characteristics of each stage from the organizational change perspective. We raise the issue of EA application level compounded by the problem of diverse EA definitions and discuss the difficulties of EA implementation based on the framework of organizational change. In addition, 20 EA experts are surveyed to confirm the findings of this study. Finally, we propose a new research model for future empirical study based on the presented findings. We believe that this study, as an in-depth review of EA implementation from an organizational change perspective, will benefit EA experts from a practical point of view, as well as academics from a research perspective.
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