Rouba Ibrahim
Cited by
Cited by
Forecasting Call Center Arrivals: Fixed-Effects, Mixed-Effects, and Bivariate Models
R Ibrahim, P L'Ecuyer
Manufacturing & Service Operations Management 15 (1), 72-85, 2013
Wait-time predictors for customer service systems with time-varying demand and capacity
R Ibrahim, W Whitt
Operations research 59 (5), 1106-1118, 2011
Real-time delay estimation based on delay history
R Ibrahim, W Whitt
Manufacturing & Service Operations Management 11 (3), 397-415, 2009
Real-time delay estimation in overloaded multiserver queues with abandonments
R Ibrahim, W Whitt
Management Science 55 (10), 1729-1742, 2009
Modeling and Forecasting Call Center Arrivals: A Literature Survey and a Case Study.
R Ibrahim, H Ye, P L’Ecuyer, H Shen
The International Journal of Forecasting 32 (3), 865–874, 2016
On the modeling and forecasting of call center arrivals
R Ibrahim, N Regnard, P L'Ecuyer, H Shen
Simulation Conference (WSC), Proceedings of the 2012 Winter, 1-12, 2012
Managing Queueing Systems where capacity is random and customers are impatient
R Ibrahim
Production and Operations Management 27 (2), 234-250, 2018
Real‐Time Delay Estimation Based on Delay History in Many‐Server Service Systems with Time‐Varying Arrivals
R Ibrahim, W Whitt
Production and Operations Management 20 (5), 654-667, 2011
Sharing Delay Information in Service Systems: A Literature Survey
R Ibrahim
Queueing Systems 89 (1-2), 49–79, 2018
Does the Past Predict the Future? The Case of Delay Announcements in Service Systems
R Ibrahim, M Armony, A Bassamboo
Management Science 63, 1762–1780, 2017
Inter-Dependent, Heterogeneous, and Time-Varying Service-Time Distributions in Call Centers
R Ibrahim, P L’Ecuyer, H Shen, M Thiongane
European Journal of Operational Research 250 (2), 480-492, 2016
Managing Supply in the On-Demand Economy: Flexible Workers, Full-Time Employees, or Both?
J Dong, R Ibrahim
Operations Research 68 (4), 1238-1264, 2020
Real-time delay estimation in call centers
R Ibrahim, W Whitt
2008 Winter Simulation Conference, 2876-2883, 2008
Designing Individualized Treatment: An Application to Anticoagulation Therapy.
R Ibrahim, B Kucukyazici, V Verter, M Gendreau, M Bolstein
Production and Operations Management 25 (5), 902-918, 2016
Can “Very Noisy” Information Go a Long Way? An Exploratory Analysis of Personalized Scheduling in Service Systems
S Emadi, R Ibrahim, S Kesavan
Delay predictors for customer service systems with time-varying parameters
R Ibrahim, W Whitt
Proceedings of the 2010 Winter Simulation Conference, 2375-2386, 2010
Real-time delay prediction in customer service systems
R Ibrahim
Columbia University, 2010
Method for predicting call waiting times
R Ibrahim, P Tendick
US Patent 8,311,208, 2012
A General Framework to Compare Announcement Accuracy: Static vs. LES-Based Announcement
A Bassamboo, R Ibrahim
Management Science, 2020
Eliciting Human Judgment for Prediction Algorithms
R Ibrahim, SH Kim, J Tong
Management Science, 2020
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