Jiheng Zhang

Jiheng Zhang

Head and Professor, Department of Industrial Engineering and Decision Analytics Professor, and Professor in Department of Mathematics, HKUST.
Staffing Under Taylor's Law: A Unifying Framework for Bridging Square-Root and Linear Safety Rules featured image
Over-Dispersion

Staffing Under Taylor's Law: A Unifying Framework for Bridging Square-Root and Linear Safety Rules

Staffing rules serve as an essential management tool in service industries to attain target service levels. Traditionally, the square-root safety rule, based on the Poisson arrival …

avatar
L. Jeff Hong
•
Read more
Arrival Data

Scaling and Modeling of Call Center Arrivals

The Poisson process has been an integral part of many models for the arrival process to a telephone call centers. However, several publications in recent years suggest the presence …

avatar
Xiaowei Zhang
•
Read more