Forecasting time series with genetic fuzzy predictor ensemble. - Daijin Kim 001; Chulhyun Kim (IEEE Trans. Fuzzy Syst., 1997)

Evaluating the Quality of Service in Mobile Business Based on Fuzzy Set Theory. - Changwoo Choi; Chulhyun Kim; Nakwhan Sung; Yongtae Park (FSKD (4), 2007)

Design Process Modularization: Concept and Algorithm. - Hyeonju Seol; Chulhyun Kim; Changyong Lee; Yongtae Park (Concurr. Eng. Res. Appl., 2007)

A systematic approach to new mobile service creation. - Chulhyun Kim; Suhwan Choe; Changwoo Choi; Yongtae Park (Expert Syst. Appl., 2008)

An ANP-based technology network for identification of core technologies: A case of telecommunication technologies. - Hakyeon Lee; Chulhyun Kim; Hyunmyung Cho; Yongtae Park (Expert Syst. Appl., 2009)

Evaluation and management of new service concepts: An ANP-based portfolio approach. - Hakyeon Lee; Chulhyun Kim; Yongtae Park (Comput. Ind. Eng., 2010)

Identifying core technologies based on technological cross-impacts: An association rule mining (ARM) and analytic network process (ANP) approach. - Chulhyun Kim; Hakyeon Lee; Hyeonju Seol; Changyong Lee (Expert Syst. Appl., 2011)

Identifying new business areas using patent information: A DEA and text mining approach. - Hyeonju Seol; Sungjoo Lee; Chulhyun Kim (Expert Syst. Appl., 2011)

A database-centred approach to the development of new mobile service concepts. - Chulhyun Kim; Hakyeon Lee (Int. J. Mob. Commun., 2012)

Benchmarking of service quality with data envelopment analysis. - Hakyeon Lee; Chulhyun Kim (Expert Syst. Appl., 2014)

On the Generation and Evaluation of Mobile Application Service Concepts. - Moon-soo Kim; Chulhyun Kim (J. Comput., 2014)

Identification of a technological chance in product-service system using KeyGraph and text mining on business method patents. - Sora Lee; Moon-soo Kim; Yongtae Park; Chulhyun Kim (Int. J. Technol. Manag., 2016)

A systematic approach to identify core service technologies. - Chulhyun Kim (Technol. Anal. Strateg. Manag., 2017)

A patent-based approach for the identification of technology-based service opportunities. - Chulhyun Kim; Hakyeon Lee (Comput. Ind. Eng., 2020)

Technological trend mining: identifying new technology opportunities using patent semantic analysis. - Siyeong Yun; Woojin Cho; Chulhyun Kim; Sungjoo Lee (Inf. Process. Manag., 2022)

Six different approaches to defining and identifying promising technology through patent analysis. - Jeonghun Jee; Hyunjin Shin; Chulhyun Kim; Sungjoo Lee (Technol. Anal. Strateg. Manag., 2022)

What should be offered for free and what for premium in a freemium service? a two-stage approach of Kano & path analysis to the design of freemium services. - Saerom Lee; Chulhyun Kim; Hakyeon Lee (Technol. Anal. Strateg. Manag., 2024)