Multi-objective uncertain project selection considering synergy. - Xiaoxia Huang; Kwon Ryong Hong; Jang Su Kim; Il Jong Choe (Int. J. Mach. Learn. Cybern., 2022)

A multi-objective mean-semivariance model for project selection using reinvestment and synergy under uncertainty. - Kwon Ryong Hong; Xiaoxia Huang; Jang Su Kim; Nam Hyok Kim (Expert Syst. Appl., 2023)

A new uncertain enhanced index tracking model with higher-order moment of the downside. - Tingting Yang; Xiaoxia Huang; Kwon Ryong Hong (Soft Comput., 2023)

A data envelopment analysis-based clustering approach under dynamic situations. - Nam Hyok Kim; Feng He; Hongjie Zhang; Kwon Ryong Hong; Kwang-Chol Ri (Eur. J. Oper. Res., 2023)

A new uncertain dominance and its properties in the framework of uncertainty theory. - Xiaoxia Huang; Yutong Sun; Kwon Ryong Hong (Fuzzy Optim. Decis. Mak., 2023)

A new common weights DEA model based on cluster analysis. - Nam Hyok Kim; Feng He; Kwon Ryong Hong; Hyok-chol Kim; Sok-Min Han (Oper. Res., 2024)