Affiliation: | 1. Evaluation Division, National Research Council of Science and Technology, 2558 Nambu Beltway, Seocho-Gu, Seoul, 137-072, Korea 2. CEO, Statistics and Strategy Consulting Division, S2BIS Inc., 61-4 Yeoido-dong, Yeongdeungpo-Gu, Seoul, Korea 3. Department of Management of Technology, Sungkyunkwan University, Cheoncheon-dong, Jangan-gu, Suwon, Gyeongi-do, 440-746, Korea
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