Research

Journal Articles
  • Örmeci, E. L., Burnetas A. N. and van der Wal J., “Admission Policies for a Two Class Loss System,” Stochastic Models, Vol. 17, Issue Nr. 4, 513-540, 2001.
  • Örmeci, E. L., Burnetas A. N. and Emmons H., “Dynamic policies of admission to a two-class system based on customer offers,” IIE Transactions, Vol 34, 813-822, 2002.
  • Resing J. and Örmeci, E. L., “A Tandem Queueing Model with Coupled Processors,” Operations Research Letters, Vol. 31, 383-389, 2003.
  • Örmeci, E. L. and Burnetas A. N., “Admission control with batch arrivals,” Operations Research Letters, Vol. 32, 448-454, 2004.
  • Örmeci, E. L., “Dynamic admission control in a call center with one shared and two dedicated service facilities,” IEEE Transactions on Automatic Control, Vol. 49, 1157-1161, 2004.
  • Örmeci, E. L. and Burnetas A. N., “Dynamic admission control for loss systems with batch arrivals,” Advances App. Prob., Vol. 37, 915-937, 2005.
  • Örmeci, E. L. and van der Wal J., “Admission Policies for a Two Class Loss System with General Interarrival Times,” Stochastic Models, Vol. 22, No:1, 37-53, 2006.
  • Örmeci E. L., Gürsoy, A., Tunca, G., and Erman B., “Computational Basis of Knowledge-Based Conformational Probabilities Derived from Local and Long-Range Interactions in Proteins,” PROTEINS: Structure, Function, and Bioinformatics, vol 66, No:1, 29-40, 2007.
  • Çil E. B., Karaesmen F., and Örmeci E. L., “Structural Results on a Batch Acceptance Problem for Capacitated Queues,” Mathematical Methods of Operations Research, vol 66:2, 263-274, 2007.
  • Gayon, J. P., Talay I., Karaesmen F., and Örmeci, E. L., “Optimal Pricing and Production Policies of a Make-to-Stock System with Fluctuating Demand,” Probability in the Engineering and Informational Sciences, vol 23, 205–230, 2009.
  • Çil E. B., Örmeci E. L., Karaesmen F., “Effects of System Parameters on the Optimal Policy Structure in a Class of Queueing Control Problems,” Queueing Systems, vol 61, 273-304, 2009.
  • Güneş, E. D., Akşin O. Z., Örmeci, E. L., and Özden, S. H., “Modeling Customer Reactions to Sales Attempts: When Cross-Selling Backfires,” Journal of Service Research, vol 13, 168 – 183, 2010.                                                                                                                                                                            * Finalist, IBM Excellence in Service Research Award, 2010, for “Best Article” in the Journal of Service Research.
  • Örmeci, E. L., and Akşin O. Z., “Revenue Management Through Dynamic Cross-Selling in Call Centers,” Production and Operations Management, 19:6, 742–756, 2010.
  • Ulukuş, M. Y., Güllü R., Örmeci E. L., “Admission and Termination Control of a Two Class Loss System,” Stochastic Models, 27, 2–25, 2011.
  • Çil E. B., Karaesmen F., Örmeci E. L., “Dynamic Pricing and Scheduling in a Multi-Class Single-Server Queueing System,” Queueing Systems, 67, 305–331, 2011.
  • Yücel, E., Salman S., Örmeci E. L, Gel E. S., “A constant-factor approximation algorithm for multi-vehicle collection for processing problem,” Optimization Letters, 7:7, 1627-1642, 2013.
  • Yücel, E., Salman S., Gel E. S., Örmeci E. L, Gel A. “Optimizing Specimen Collection for Processing in Clinical Testing Laboratories,” European Journal of Operational Research, 227:3, 503–514, 2013.
  • Kaya, O., Kubali D., Örmeci E. L., “Stochastic Models for the Coordinated Production and Shipment Problem in a Supply Chain,” Computers & Industrial Engineering, 64:3, 838–849, 2013.
  • Kaya, O., Kubali D., Örmeci E. L., “A Coordinated Production and Shipment Model in a Supply Chain,” International Journal of Production Economics, 143:1, 120-131, 2013.
  • Örmeci E. L., Salman S., Yücel, E., “Staff rostering in call centers providing employee transportation,” OMEGA, 43, 41–53, 2014.
  • Güneş, E. D., Örmeci E. L., Kunduzcu, D., “Preventing and Diagnosing Colorectal Cancer with a Limited Colonoscopy Resource,” Production & Operations Management, 24:1, 1–20, 2015.
  • Turgay, Z. Z., Karaesmen, F., Örmeci, E. L. “A dynamic inventory rationing problem with uncertain demand and production rates,” Annals of Operations Research, 231:1, 207-228, 2015.
  • Çakan N., Akşin O. Z., Karaesmen F., Örmeci E. L., “Flexibility Structure and Capacity Design with Human Resource Considerations,” Production & Operations Management, 24:7, 1086–1100, 2015.                                                                                                                                                                                      * Runner-Up, Wickham Skinner Best Paper Published in Production and Operations Management During 2015 Award.
  • Örmeci E. L., Güneş, E. D., Kunduzcu, D., “A Modeling Framework for Control of Preventive Services,” Manufacturing & Service Operations Management, 18:2, 227-244, 2016.
  • Turgay, Z. Z., Karaesmen, F., Örmeci, E. L. “Structural Properties of a Class of Robust Inventory and Queueing Control Problems,” Naval Research Logistics, 65:8, 699-716, 2018.
  • Bavafa, H., Leys, C. M., Örmeci, E. L., Savin, S., “Managing Portfolio of Elective Surgical Procedures: A Multidimensional Inverse Newsvendor Problem,” to appear, Operations Research, 2019.
Book Chapters
  • Akşin O. Z., Karaesmen F., and Örmeci E. L., “A Review of Workforce Cross-Training in Call Centers from an Operations Management Perspective,” in Handbook on Workforce Cross Training, ed. D. Nembhard, CRC Press, 2007.
  • Güneş, E. D., and Örmeci E. L., “OR Applications in Disease Screening,” in Operations Research Applications in Health Care Management, ed. Y. İ. Topçu and C. Kahraman, Springer, 2018.