가. 국제학술지
- Changwoo Choi, Yongtae Park, Monitoring the organic structure of technology based on the patent development paths, Technological Forecasting and Social Change, 76(6), pp.754-768, 2009.
- Chulhyun Kim, Suhwan Choe, Changwoo Choi, and Yongtae Park, A systematic approach to new mobile service creation, Expert Systems with Applicatoins,35(3), pp.762-771, 2008.
- Changwoo Choi, Seungkyum Kim and Yongtae Park, A patent-based cross impact analysis for quantitative estimation of technological impact: The case of information and communication technology, Technological Forecasting and Social Change 74(8), pp. 1109-1518, 2007.
- Changwoo Choi and Yongtae Park, R&D proposal screening system based on text-mining approach, International Journal of Technology Intelligence and Planning 2(1), pp.61-72, 2006.
나. 국제학술발표
- Yongtae Park, Changwoo Choi, Seonwoo Kim, Linkage between R&D Management and Knowledge Management: An Evolutionary View, 4th ICOQM, Tainan, Taiwan, Jan. 2003.
- Yongtae Park, Changwoo Choi, Seonwoo Kim, On the Linkage between knowledge activities and knowledge management system functions, DSI 7TH International Conference, Shanghai, China, July 2003
- Changwoo Choi, Juneseuk Shin, Byungun Yoon, Wonyoung Lee and Yongtae Park, On the Linkage between Industries and Technologies: Patent Citation Analysis, IEMC 2004, Singapore, Oct. 2004.
- Chulhyun Kim, Changwoo Choi, Youlbeen Kang, Juneseuk Shin, Yongtae Park, A Taxonomy of Business Models: BM Patent Analysis, 2005 IRMA International conference, San Diego, California, USA, May, 2005.
- Chulhyun Kim, Changwoo Choi, Yongtae Park A Taxonomy of Business Models on Mobile Business: BM Patent Analysis, PICMET '05 Conference, Portland, Oregon, USA, July 2005.
- Changwoo Choi, Chulhyun Kim, Yongtae Park Changes of Leading Business Method Patents in E-Business, PICMET '05 Conference, Portland, Oregon, USA, July 2005.
- Changwoo Choi, Seungkyum Kim, Chulhyun Kim and Yongtae Park, A Patent-based Cross Impact Analysis for Technological Forecasting of ICT, INFORMS ’06 Conference, Hong Kong, June, 2006.
- Hakyeon Lee, Nakhwan Sung, Changwoo Choi, Yongtae Park and Hoogon Choi, Evaluation of national R&D programs using DEA, SGBED ’07 Conference, Japan, Aug., 2007.
- Changwoo Choi, Chulhyun Kim, Nakwhan sung, Yongtae Park, Evaluating the Quality of Service in Mobile Business based on Fuzzy Set Theory, ICNC'07-FSKD'07, China, Aug., 2007.
- Woori Han, Changwoo Choi, Yongtae Park, On the monitoring of service–related BM patents through text–mining: Service sector–activity matrix, 2007 GABER International Conference, Thailand, Dec., 2007.
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