A Hybrid Primal-Dual Algorithm with Application to the Dual Transportation Problems. - Gyunghyun Choi; Chulyeon Kim (ICCSA (4), 2005)

Dynamic Mean Value Cross Decomposition Algorithm for Capacitated Facility Location Problems. - Chulyeon Kim; Gyunghyun Choi; Sung-Seok Ko (Informatica, 2013)

A hybrid framework combining background subtraction and deep neural networks for rapid person detection. - Chulyeon Kim; Jiyoung Lee; Taekjin Han; Young-Min Kim (J. Big Data, 2018)

Exploring data envelopment analysis for measuring collaborated innovation efficiency of small and medium-sized enterprises in Korea. - Jiyoung Lee; Chulyeon Kim; Gyunghyun Choi (Eur. J. Oper. Res., 2019)