Structural decomposition of technological domain using patent co-classification and classification hierarchy. - Changbae Mun; Sejun Yoon; Hyunseok Park (Scientometrics, 2019)

Developmental Trajectories in Blockchain Technology Using Patent-Based Knowledge Network Analysis. - Sohee Kim; Sejun Yoon; Nagarajan Raghavan; Nguyen-Truong Le; Hyunseok Park (IEEE Access, 2021)

Hierarchical main path analysis to identify decompositional multi-knowledge trajectories. - Sejun Yoon; Changbae Mun; Nagarajan Raghavan; Dongwook Hwang; Sohee Kim; Hyunseok Park (J. Knowl. Manag., 2021)

Investigating Knowledge Structure and Future Directions in IT-Based Business Methods Using Hierarchical Main Path Approach. - Sejun Yoon; Nagarajan Raghavan; Nguyen-Truong Le; Hyunseok Park (IEEE Access, 2023)