On capacity allocation for operating rooms. - Sangdo (Sam) Choi; Wilbert E. Wilhelm (Comput. Oper. Res., 2014)

An approach to optimize block surgical schedules. - Sangdo (Sam) Choi; Wilbert E. Wilhelm (Eur. J. Oper. Res., 2014)

Comparison of a branch-and-bound heuristic, a newsvendor-based heuristic and periodic Bailey rules for outpatients appointment scheduling systems. - Sangdo (Sam) Choi; Amarnath (Andy) Banerjee (J. Oper. Res. Soc., 2016)

Integrated scheduling of vessel dispatching and port operations in the closed-loop shipping system for transporting petrochemicals. - Heungjo An; Sangdo (Sam) Choi; Jay H. Lee (Comput. Chem. Eng., 2019)

Sequencing in an appointment system with deterministic arrivals and non-identical exponential service times. - Sangdo (Sam) Choi; Wilbert E. Wilhelm (Comput. Oper. Res., 2020)

Designing variable-sized block appointment system under time-varying no-shows. - Sharan Srinivas; Sangdo (Sam) Choi (Comput. Ind. Eng., 2022)