Huiyin Ouyang, Ran Liu and Zhankun Sun (2026). "Time-Varying Physician Productivity and Implications for Emergency Department Modeling and Staffing." Manufacturing & Service Operations Management (forthcoming).
Chengye Zou, Yiran Zhang, Huiyin Ouyang and Zhankun Sun (2026). "Impact of Announced Wait Time Information on Emergency Department Overcrowding Mitigation: A Simulation Study." Journal of the American Medical Informatics Association 33 (6), 1112–1120. https://doi.org/10.1093/jamia/ocag036
Eric Park, Huiyin Ouyang, Jingqi Wang, Sergei Savin, Siu Chung Leung and Timothy H. Rainer (2025). "Patient Sensitivity to Emergency Department Waiting Time Announcements." Manufacturing & Service Operations Management 27 (6), 1740–1759. https://doi.org/10.1287/msom.2022.0457
Ran Liu, Huiyin Ouyang, Chengkai Wang and Xiaolan Xie (2025). "Service-Level Computation in Time-Varying Queueing System with Priorities: Application to Physician Staffing in the Emergency Department." IISE Transactions 57 (5), 556–572. https://doi.org/10.1080/24725854.2024.2357782
Ran Liu, Bo Zhou, Shiming Wang and Huiyin Ouyang (2025). "Physician Scheduling in Case Managers Style Emergency Departments: Machine Learning-Aided Solution Approaches." European Journal of Operational Research 327 (1), 326–339. https://doi.org/10.1016/j.ejor.2025.05.035
Ran Liu, Chengkai Wang, Huiyin Ouyang and Zerui Wu (2023). "Exact Algorithm and Machine Learning-Based Heuristic for the Stochastic Lot Streaming and Scheduling Problem." IISE Transactions 57 (4), 408–422. https://doi.org/10.1080/24725854.2023.2294816
Huiyin Ouyang, Nilay Tanık Argon and Serhan Ziya (2022). "Assigning Priorities (or Not) in Service Systems with Nonlinear Waiting Costs." Management Science 68 (2), 1233–1255. https://doi.org/10.1287/mnsc.2020.3952
Huiyin Ouyang, Junyan Wang, Zhankun Sun and Eddy Lang (2022). "The Impact of Emergency Department Crowding on Admission Decisions and Patient Outcomes." American Journal of Emergency Medicine 51, 163–168. https://doi.org/10.1016/j.ajem.2021.10.049
Farzad Zaerpour, Marco Bijvank, Huiyin Ouyang and Zhankun Sun (2021). "Scheduling of Physicians with Time-Varying Productivity Levels in Emergency Departments." Production and Operations Management 31 (2), 645–667. https://doi.org/10.1111/poms.13571
Huiyin Ouyang, Nilay Tanık Argon and Serhan Ziya (2020). "Allocation of Intensive Care Unit Beds in Periods of High Demand." Operations Research 68 (2), 591–608. https://doi.org/10.1287/opre.2019.1876
Huiyin Ouyang and Barry L. Nelson (2017). "Simulation-based Predictive Analytics for Dynamic Queueing Systems." 2017 Winter Simulation Conference (WSC), 1716–1727. https://doi.org/10.1109/WSC.2017.8247910
Huiyin Ouyang (2016). "Prioritization in Service Systems with Nonlinear Delay Costs." PhD thesis, University of North Carolina at Chapel Hill.