A Framework for Certification and Audit of Application Service Provider - ASP. - Jae Geun Ahn; Choon Seong Leem; Jung Hwan Yang (J. Syst. Integr., 2001)

Evaluating Information Strategic Planning: An Evaluation System and Its Application. - Choon Seong Leem; Bumyong Oh (J. Syst. Integr., 2001)

Guest Editorial. - Choon Seong Leem; Kitae Shin (J. Syst. Integr., 2001)

Introduction to an integrated methodology for development and implementation of enterprise information systems. - Choon Seong Leem; Sangkyun Kim (J. Syst. Softw., 2002)

Special section on Industrial information systems: progresses and perspectives in Pacific Rim. - Choon Seong Leem; Cho-Li Wang (J. Syst. Softw., 2002)

A reference system for internet based inter-enterprise electronic commerce. - Kitae Shin; Choon Seong Leem (J. Syst. Softw., 2002)

Service Industries, Electronic Commerce for. - Choon Seong Leem (Encyclopedia of Information Systems, 2002)

SSE-CMM BPs to Meet the Requirements of ALC_DVS.1 Component in CC. - Sang-ho Kim; Eun-ser Kim; Choon Seong Leem; Ho-jun Shin; Tai-Hoon Kim (ISCIS, 2003)

Supplement of Security-Related Parts of ISO/IEC TR 15504. - Sang-ho Kim; Choon Seong Leem; Tai-Hoon Kim; Jae-Sung Kim (ISCIS, 2003)

Implementation of the Security System for Instant Messengers. - Sangkyun Kim; Choon Seong Leem (CIS, 2004)

A Case Study on the Real-Time Click Stream Analysis System. - Sangkyun Kim; Choon Seong Leem (CIS, 2004)

An Information Engineering Methodology for the Security Strategy Planning. - Sangkyun Kim; Choon Seong Leem (ICCSA (1), 2004)

A Case Study in Applying Common Criteria to Development Process of Virtual Private Network. - Sang-ho Kim; Choon Seong Leem (ICCSA (1), 2004)

A Case Study in Applying Common Criteria to Development Process to Improve Security of Software Products. - Sang-ho Kim; Choon Seong Leem (ICCSA (1), 2004)

Architecture of Authentication Mechanism for Emerging T-commerce Environments. - Sangkyun Kim; Hong Joo Lee; Choon Seong Leem (PCM (1), 2004)

Development of an evaluation system of personal e-business competency and maturity levels. - Chui Young Yoon; Choon Seong Leem (Int. J. Electron. Bus., 2004)

An integrated evaluation system based on the continuous improvement model of IS performance. - Choon Seong Leem; Injoo Kim (Ind. Manag. Data Syst., 2004)

A classification of mobile business models and its applications. - Choon Seong Leem; Hyung Sik Suh; Dae Seong Kim (Ind. Manag. Data Syst., 2004)

A maturity model and an evaluation system of software customer satisfaction: the case of software companies in Korea. - Choon Seong Leem; YongKi Yoon (Ind. Manag. Data Syst., 2004)

An Improvement of Response Speed for Electronic Commerce Systems. - Il Seok Ko; Choon Seong Leem (Inf. Syst. Frontiers, 2004)

Guest Editorial. - Choon Seong Leem; Matthew K. O. Lee; Sungwan Hong (Inf. Syst. Frontiers, 2004)

A Process-Centered IT ROI Analysis with a Case Study. - Choon Seong Leem; Chui Young Yoon; Seung-Kyu Park (Inf. Syst. Frontiers, 2004)

Business template generation for supporting collaborative design works in mould companies. - Yongju Cho; Kwangyeol Ryu; Jongduk Kim; Sunghee Lee; Choon Seong Leem (CSCWD (2), 2005)

Development of a BSC-Based Evaluation Framework for e-Manufacturing Project. - Yongju Cho; Wooju Kim; Choon Seong Leem; Honzong Choi (ICCSA (3), 2005)

Security Threats and Their Countermeasures of Mobile Portable Computing Devices in Ubiquitous Computing Environments. - Sang-ho Kim; Choon Seong Leem (ICCSA (4), 2005)

A Study on Value Chain in a Ubiquitous Computing Environment. - Hong Joo Lee; Choon Seong Leem (ICCSA (4), 2005)

An Information System Approach and Methodology for Enterprise Credit Rating. - Hakjoo Lee; Choon Seong Leem; Kyungyup Cha (ICCSA (3), 2005)

A Business Model (BM) Development Methodology in Ubiquitous Computing Environments. - Choon Seong Leem; Nam Joo Jeon; Jong Hwa Choi; Hyoun Gyu Shin (ICCSA (4), 2005)

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 (ICCSA (3), 2005)

CSFs for HCI in Ubiquitous Computing Environments. - Hong Joo Lee; Sangkyun Kim; Choon Seong Leem (KES (3), 2005)

Assessment Methodology on Maturity Level of ISMS. - Choon Seong Leem; Sangkyun Kim; Hong Joo Lee (KES (3), 2005)

Enterprise security architecture in business convergence environments. - Sangkyun Kim; Choon Seong Leem (Ind. Manag. Data Syst., 2005)

Security of the internet-based instant messenger: Risks and safeguards. - Sangkyun Kim; Choon Seong Leem (Internet Res., 2005)

Distribution of digital contents based on public key considering execution speed and security. - Il Seok Ko; Choon Seong Leem; Yun Ji Na; Chui Young Yoon (Inf. Sci., 2005)

A Study on the Development of Usability Evaluation Framework (Focusing on Digital TV). - Hong Joo Lee; Choon Seong Leem; Sangkyun Kim (ICCSA (4), 2006)

A Study on Development of Business Factor in Ubiquitous Technology. - Hong Joo Lee; Choon Seong Leem; Sangkyun Kim (KES (1), 2006)

ACASH: an adaptive web caching method based on the heterogeneity of web object and reference characteristics. - Yun Ji Na; Choon Seong Leem; Il Seok Ko (Inf. Sci., 2006)

Development of Evaluation System for Management of Collaborative Information System in Mould Company. - Yongju Cho; Changho Lee; Choon Seong Leem; Honzong Choi (CSCWD, 2007)

A User-Oriented Assessment of Enterprise Information Systems. - Eun Jung Yu; Youngjoon Choi; Choon Seong Leem (HCI (4), 2007)

A taxonomy of ubiquitous computing applications. - Nam Joo Jeon; Choon Seong Leem; Min Hyung Kim; Hyoun Gyu Shin (Wirel. Pers. Commun., 2007)

A Database Design of RFID Document Management System with e-Ink technology. - Bae Soon Hark; Jong Hwa Choi; Choon Seong Leem (NCM (1), 2008)

A Competitive-Perspective Evaluation Framework of Software Firms. - Byeong Ryul Lee; Seung Hyun Lee; Choon Seong Leem (NCM (2), 2008)

Information technology maturity stages and enterprise benchmarking: an empirical study. - Choon Seong Leem; Byeong Wan Kim; Eun Jung Yu; Min Ho Paek (Ind. Manag. Data Syst., 2008)

Taxonomy of ubiquitous computing service for city development. - Choon Seong Leem; Byoung Gun Kim (Pers. Ubiquitous Comput., 2013)

The impact of technology capability, human resources, internationalization, market resources, and customer satisfaction on annual sales growth rates of Korean software firms. - Seung Hyun Lee; Choon Seong Leem; Dae Jung Bae (Inf. Technol. Manag., 2018)