Ger Koole

Publication Activity (10 Years)

Years Active: 1995-2023
Publications (10 Years): 13

Top Topics

Optimal Scheduling

Machine Learning

Top Venues

Eur. J. Oper. Res.

Manuf. Serv. Oper. Manag.

Publications

René Bekker, Michiel A. J. uit het Broek, Ger Koole
Modeling COVID-19 hospital admissions and occupancy in the Netherlands. Eur. J. Oper. Res. 304 (1) (2023)
Ger Koole
The slow-server problem with multiple slow servers. Queueing Syst. Theory Appl. 100 (3-4) (2022)
Luis Pedro Silvestrin, Harry van Zanten, Mark Hoogendoorn, Ger Koole
Transfer-Learning Across Datasets with Different Input Dimensions: An Algorithm and Analysis for the Linear Regression Case. CoRR (2022)
Rik van Leeuwen, Ger Koole
Data-Driven Market Segmentation in Hospitality Using Unsupervised Machine Learning. CoRR (2021)
Ger Koole, Siqiao Li
A practice-oriented overview of call center workforce planning. CoRR (2021)
Daniel Hopman, Ger Koole, Rob van der Mei
A machine learning approach to itinerary-level booking prediction in competitive airline markets. CoRR (2021)
Benjamin Legros, Oualid Jouini, Ger Koole
Should We Wait Before Outsourcing? Analysis of a Revenue-Generating Blended Contact Center. Manuf. Serv. Oper. Manag. 23 (5) (2021)
Benjamin Legros, Oualid Jouini, O. Zeynep Aksin, Ger Koole
Front-office multitasking between service encounters and back-office tasks. Eur. J. Oper. Res. 287 (3) (2020)
Siqiao Li, Ger Koole, Oualid Jouini
A Simple Solution for Optimizing Weekly Agent Scheduling in a Multi-Skill Multi-Channel Contact Center. WSC (2019)
Dmitrii Erkin, Elenna R. Dugundji, Ger Koole, Joaquim A. S. Gromicho, Rob van der Mei
Buffering locations in retail deliveries. ANT/EDI40 (2019)
Luis P. Silvestrin, Mark Hoogendoorn, Ger Koole
A Comparative Study of State-of-the-Art Machine Learning Algorithms for Predictive Maintenance. SSCI (2019)
Benjamin Legros, Oualid Jouini, Ger Koole
A Uniformization Approach for the Dynamic Control of Queueing Systems with Abandonments. Oper. Res. 66 (1) (2018)
Benjamin Legros, Oualid Jouini, Ger Koole
Optimal scheduling in call centers with a callback option. Perform. Evaluation 95 (2016)
Sihan Ding, Ger Koole, Robert D. van der Mei
On the estimation of the true demand in call centers with redials and reconnects. Eur. J. Oper. Res. 246 (1) (2015)
Karim Ghanes, Mathias Wargon, Oualid Jouini, Zied Jemaï, Agapitos Diakogiannis, Romain Hellmann, Valérie Thomas, Ger Koole
Simulation-based optimization of staffing levels in an emergency department. Simul. 91 (10) (2015)
Karim Ghanes, Oualid Jouini, Zied Jemaï, Mathias Wargon, Romain Hellmann, Valérie Thomas, Ger Koole
A comprehensive simulation modeling of an emergency department: a case study for simulation optimization of staffing levels. WSC (2014)
Wyean Chan, Ger Koole, Pierre L'Ecuyer
Dynamic Call Center Routing Policies Using Call Waiting and Agent Idle Times. Manuf. Serv. Oper. Manag. 16 (4) (2014)
Sihan Ding, Ger Koole, Rob van der Mei
A method for estimation of redial and reconnect probabilities in call centers. WSC (2013)
Paulien Koeleman, Ger Koole
Appointment scheduling using optimisation via simulation. WSC (2012)
Alex Roubos, Ger Koole, Raik Stolletz
Service-Level Variability of Inbound Call Centers. Manuf. Serv. Oper. Manag. 14 (3) (2012)
Shuangqing Liao, Ger Koole, Christian van Delft, Oualid Jouini
Staffing a call center with uncertain non-stationary arrival rate and flexibility. OR Spectr. 34 (3) (2012)
Ger Koole, Bo Friis Nielsen, Thomas Bang Nielsen
First in Line Waiting Times as a Tool for Analysing Queueing Systems. Oper. Res. 60 (5) (2012)
Douglas G. Down, Ger Koole, Mark E. Lewis
Dynamic control of a single-server system with abandonments. Queueing Syst. Theory Appl. 67 (1) (2011)
Ger Koole, Auke Pot
TECHNICAL NOTE - A Note on Profit Maximization and Monotonicity for Inbound Call Centers. Oper. Res. 59 (5) (2011)
René Bekker, Ger Koole, Bo Friis Nielsen, Thomas Bang Nielsen
Queues with waiting time dependent service. Queueing Syst. Theory Appl. 68 (1) (2011)
Marco Bijvank, Ger Koole, Iris F. A. Vis
Optimising a general repair kit problem with a service constraint. Eur. J. Oper. Res. 204 (1) (2010)
Arnoud M. de Bruin, René Bekker, Lillian van Zanten, Ger Koole
Dimensioning hospital wards using the Erlang loss model. Ann. Oper. Res. 178 (1) (2010)
Oualid Jouini, Auke Pot, Ger Koole, Yves Dallery
Online scheduling policies for multiclass call centers with impatient customers. Eur. J. Oper. Res. 207 (1) (2010)
Menno Dobber, Robert D. van der Mei, Ger Koole
Dynamic Load Balancing and Job Replication in a Global-Scale Grid Environment: A Comparison. IEEE Trans. Parallel Distributed Syst. 20 (2) (2009)
Rob van der Mei, Kevin Pak, Maarten Soomer, Ger Koole
Revenue Management in the Parking Industry: New Business Opportunities. ERCIM News 2009 (78) (2009)
Ger Koole
Introduction to the Special Issue on Call Center Management. Manag. Sci. 54 (2) (2008)
Auke Pot, Sandjai Bhulai, Ger Koole
A Simple Staffing Method for Multiskill Call Centers. Manuf. Serv. Oper. Manag. 10 (3) (2008)
Sandjai Bhulai, Ger Koole, Auke Pot
Simple Methods for Shift Scheduling in Multiskill Call Centers. Manuf. Serv. Oper. Manag. 10 (3) (2008)
Ran Yang, Robert D. van der Mei, Dennis Roubos, Frank J. Seinstra, Ger Koole
On the Optimization of Resource Utilization in Distributed Multimedia Applications. CCGRID (2008)
Ran Yang, Robert D. van der Mei, Dennis Roubos, Frank J. Seinstra, Ger Koole, Henri E. Bal
Modeling "Just-in-Time" Communication in Distributed Real-Time Multimedia Applications. CCGRID (2008)
Ger Koole, Rhonda Righter
Resource allocation in grid computing. J. Sched. 11 (3) (2008)
Menno Dobber, Robert D. van der Mei, Ger Koole
A prediction method for job runtimes on shared processors: Survey, statistical analysis and new avenues. Perform. Evaluation 64 (7-8) (2007)
Ger Koole, Auke Pot
Workload minimization in re-entrant lines. Eur. J. Oper. Res. 174 (1) (2006)
Ger Koole
Monotonicity in Markov Reward and Decision Chains: Theory and Applications. Found. Trends Stoch. Syst. 1 (1) (2006)
Menno Dobber, Robert D. van der Mei, Ger Koole
Statistical Properties of Task Running Times in a Global-Scale Grid Environment. CCGRID (2006)
Geert Jan Franx, Ger Koole, Auke Pot
Approximating multi-skill blocking systems by HyperExponential Decomposition. Perform. Evaluation 63 (8) (2006)
Menno Dobber, Robert D. van der Mei, Ger Koole
Effective Prediction of Job Processing Times in a Large-Scale Grid Environment. HPDC (2006)
Ger Koole, Auke Pot
Approximate dynamic programming in multi-skill call centers. WSC (2005)
Robin Groenevelt, Philippe Nain, Ger Koole
Message delay in MANET. SIGMETRICS (2005)
Robin Groenevelt, Philippe Nain, Ger Koole
The message delay in mobile ad hoc networks. Perform. Evaluation 62 (1-4) (2005)
Menno Dobber, Ger Koole, Robert D. van der Mei
Dynamic load balancing experiments in a grid. CCGRID (2005)
Lodewijk C. M. Kallenberg, Ger Koole, Flos Spieksma
Special issue in honor of Arie Hordijk Editorial introduction. Math. Methods Oper. Res. 62 (3) (2005)
Menno Dobber, Ger Koole, Robert D. van der Mei
Dynamic Load Balancing for a Grid Application. HiPC (2004)
Ger Koole
Performance Analysis and Optimization in Customer Contact Centers. QEST (2004)
Ger Koole, Philippe Nain
An Explicit Solution for the Value Function of a Priority Queue. Queueing Syst. Theory Appl. 47 (3) (2004)
Tania Jiménez, Ger Koole
Scaling and comparison of fluid limits of queues applied to call centers with time-varying parameters. OR Spectr. 26 (3) (2004)
Sandjai Bhulai, Ger Koole
A queueing model for call blending in call centers. IEEE Trans. Autom. Control. 48 (8) (2003)
Ger Koole, Auke Pot, Jerome Talim
Customer relations management: call center operations: routing heuristics for multi-skill call centers. WSC (2003)
Noah Gans, Ger Koole, Avishai Mandelbaum
Telephone Call Centers: Tutorial, Review, and Research Prospects. Manuf. Serv. Oper. Manag. 5 (2) (2003)
Ger Koole, Avishai Mandelbaum
Queueing Models of Call Centers: An Introduction. Ann. Oper. Res. 113 (1-4) (2002)
Robin Groenevelt, Ger Koole, Philippe Nain
On the bias vector of a two-class preemptive priority queue. Math. Methods Oper. Res. 55 (1) (2002)
Ger Koole, Zhen Liu, Rhonda Righter
Optimal Transmission Policies for Noisy Channels. Oper. Res. 49 (6) (2001)
Eitan Altman, Tania Jiménez, Ger Koole
On optimal call admission control in resource-sharing system. IEEE Trans. Commun. 49 (9) (2001)
Sandjai Bhulai, Ger Koole
On the value of learning for Bernoulli bandits with unknown parameters. CDC (2000)
Ger Koole
Stochastic scheduling with event-based dynamic programming. Math. Methods Oper. Res. 51 (2) (2000)
Ger Koole, Philippe Nain
On the value function of a priority queue with an application to a controlled polling model. Queueing Syst. Theory Appl. 34 (1-4) (2000)
Sandjai Bhulai, Ger Koole
Scheduling time-constrained jobs in the presence of background traffic. CDC (2000)
Sandjai Bhulai, Ger Koole
On the value of learning for Bernoulli bandits with unknown parameters. IEEE Trans. Autom. Control. 45 (11) (2000)
Gerard Hooghiemstra, Ger Koole
On the convergence of the power series algorithm. Perform. Evaluation 42 (1) (2000)
Ger Koole
On the static assignment to parallel servers. IEEE Trans. Autom. Control. 44 (8) (1999)
Ger Koole
Structural results for the control of queueing systems using event-based dynamic programming. Queueing Syst. Theory Appl. 30 (3-4) (1998)
Ger Koole, Rhonda Righter
Optimal control of tandem reentrant queues. Queueing Syst. Theory Appl. 28 (4) (1998)
Ger Koole
Asigning a Single Server to Inhomogeneous Queues with Switching Costs. Theor. Comput. Sci. 182 (1-2) (1997)
Ger Koole, Olaf Passchier
Optimal control in light traffic Markov decision processes. Math. Methods Oper. Res. 45 (1) (1997)
Ger Koole
On the Use of the Power Series Algorithm for General Markov Processes, with an Application to a Petri Net. INFORMS J. Comput. 9 (1) (1997)
Ger Koole
On the Pathwise Optimal Bernoulli Routing Policy for Homogeneous Parallel Servers. Math. Oper. Res. 21 (2) (1996)
Ger Koole, Martin Vrijenhoek
Scheduling a repairman in a finite source system. Math. Methods Oper. Res. 44 (3) (1996)
Onno J. Boxma, Ger Koole, Isi Mitrani
A Two-Queue Polling Model with a Threshold Service Policy. MASCOTS (1995)