Development of a GTM-based patent map for identifying patent vacuums. - Changho Son; Yongyoon Suh; Jeonghwan Jeon; Yongtae Park (Expert Syst. Appl., 2012)

How to identify the trends of services: GTM-TT service map. - Changho Son; Youngjung Geum; Yongtae Park (Expert Syst. Appl., 2013)

An instrument for discovering new mobile service opportunities. - Changyong Lee; Changho Son; Byungun Yoon; Yongtae Park (Int. J. Mob. Commun., 2013)

GTM-based service map to identify new service opportunities. - Changho Son; Changyong Lee; Byungun Yoon; Yongtae Park (Int. J. Mob. Commun., 2015)

Patent-trademark linking framework for business competition analysis. - Namuk Ko; Byeongki Jeong; Janghyeok Yoon; Changho Son (Comput. Ind., 2020)

Developing scenario-based technology roadmap in the big data era: an utilisation of fuzzy cognitive map and text mining techniques. - Changho Son; Jieun Kim; Youngjun Kim (Technol. Anal. Strateg. Manag., 2020)

Trademark-based framework to uncover business diversification opportunities: Application of deep link prediction and competitive intelligence analysis. - Byeongki Jeong; Namuk Ko; Changho Son; Janghyeok Yoon (Comput. Ind., 2021)