Finding the closest point to the origin in the convex hull of a discrete set of points. - Hanif D. Sherali; Gyunghyun Choi (Comput. Oper. Res., 1993)

Recovery of primal solutions when using subgradient optimization methods to solve Lagrangian duals of linear programs. - Hanif D. Sherali; Gyunghyun Choi (Oper. Res. Lett., 1996)

A variable target value method for nondifferentiable optimization. - Hanif D. Sherali; Gyunghyun Choi; Cihan H. Tuncbilek (Oper. Res. Lett., 2000)

Limited Memory Space Dilation and Reduction Algorithms. - Hanif D. Sherali; Gyunghyun Choi; Zafar Ansari (Comput. Optim. Appl., 2001)

An efficient genetic algorithm for the traveling salesman problem with precedence constraints. - Chiung Moon; Jongsoo Kim; Gyunghyun Choi; Yoonho Seo (Eur. J. Oper. Res., 2002)

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

Automated Parameter Selection for Support Vector Machine Decision Tree. - Gyunghyun Choi; Suk Joo Bae (ICONIP (2), 2006)

A goal programming mixed-model line balancing for processing time and physical workload. - Gyunghyun Choi (Comput. Ind. Eng., 2009)

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

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)

IR-UWB Sensor Based Fall Detection Method Using CNN Algorithm. - Taekjin Han; Wonho Kang; Gyunghyun Choi (Sensors, 2020)

The Identification of Emerging Technologies of Automotive Semiconductor. - Daekyeong Nam; Gyunghyun Choi (KSII Trans. Internet Inf. Syst., 2023)