1 Accepted for publication at the 6th International Conference on Service Systems and Service Management (ICSSSM’09) June 8~10, 2009, Xiamen, PR China 1 Minder Chen is Associate Professor at the Martin V. Smith School of Business and Economics, California State University Channel Islands, Camarillo, CA 93012 (e-mail: Minder.Chen@csuci.edu). 2 Yan-Ping Jeffery Chi is Associate Professor at the Department of Information Management, National Chengchi University, Taipei, Taiwan, R.O.C. (e-mail: ypchi@mis.nccu.edu.tw). 3 Hsing-Chiu Li is with the Department of Information Management, National Chengchi University, Taipei, Taiwan, R.O.C. (e-mail: hcli.hcli@gmail.com). An Enterprise Architecture Approach to Building a Service-Oriented Enterprise Minder Chen 1 , Yan-Ping Jeffery Chi 2 , and Hsing-Chiu Li