| 2007 | CSCWD | Development of Evaluation System for Management of Collaborative Information System in Mould Company. | Yongju Cho, Changho Lee, Choon Seong Leem, Honzong Choi |
| 2007 | HCI | A User-Oriented Assessment of Enterprise Information Systems. | Eun Jung Yu, Youngjoon Choi, Choon Seong Leem |
| 2006 | ICCSA | A Study on the Development of Usability Evaluation Framework (Focusing on Digital TV). | Hong Joo Lee, Choon Seong Leem, Sangkyun Kim |
| 2006 | KES | A Study on Development of Business Factor in Ubiquitous Technology. | Hong Joo Lee, Choon Seong Leem, Sangkyun Kim |
| 2005 | CSCWD | Business template generation for supporting collaborative design works in mould companies. | Yongju Cho, Kwangyeol Ryu, Jongduk Kim, Sunghee Lee, Choon Seong Leem |
| 2005 | ICCSA | Development of a BSC-Based Evaluation Framework for e-Manufacturing Project. | Yongju Cho, Wooju Kim, Choon Seong Leem, Honzong Choi |
| 2005 | ICCSA | Security Threats and Their Countermeasures of Mobile Portable Computing Devices in Ubiquitous Computing Environments. | Sang-ho Kim, Choon Seong Leem |
| 2005 | ICCSA | A Study on Value Chain in a Ubiquitous Computing Environment. | Hong Joo Lee, Choon Seong Leem |
| 2005 | ICCSA | An Information System Approach and Methodology for Enterprise Credit Rating. | Hakjoo Lee, Choon Seong Leem, Kyungyup Cha |
| 2005 | ICCSA | A Business Model (BM) Development Methodology in Ubiquitous Computing Environments. | Choon Seong Leem, Nam Joo Jeon, Jong Hwa Choi, Hyoun Gyu Shin |
| 2005 | ICCSA | An Integrated Evaluation System for Personal Informatization Levels and Their Maturity Measuement: Korean Motors Company Case. | Eun Jung Yu, Choon Seong Leem, Seung-Kyu Park, Byung Wan Kim |
| 2005 | KES | CSFs for HCI in Ubiquitous Computing Environments. | Hong Joo Lee, Sangkyun Kim, Choon Seong Leem |
| 2005 | KES | Assessment Methodology on Maturity Level of ISMS. | Choon Seong Leem, Sangkyun Kim, Hong Joo Lee |
| 2004 | CIS | Implementation of the Security System for Instant Messengers. | Sangkyun Kim, Choon Seong Leem |
| 2004 | CIS | A Case Study on the Real-Time Click Stream Analysis System. | Sangkyun Kim, Choon Seong Leem |
| 2004 | ICCSA | An Information Engineering Methodology for the Security Strategy Planning. | Sangkyun Kim, Choon Seong Leem |
| 2004 | ICCSA | A Case Study in Applying Common Criteria to Development Process of Virtual Private Network. | Sang-ho Kim, Choon Seong Leem |
| 2004 | ICCSA | A Case Study in Applying Common Criteria to Development Process to Improve Security of Software Products. | Sang-ho Kim, Choon Seong Leem |