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Publications

Journal Articles
  1. Rossetti, M. D. and Unlu, Y., 2011, “Evaluating the Robustness of Lead Time Demand Models,” The International Journal of Production Economics, 134(1), 159-176 (link).
  2. Unlu, Y. and Mason, S. J., 2010, Evaluation of mixed integer programming formulations for non-preemptive parallel machine scheduling problems, Computers & Industrial Engineering, 58(4), 785–800 (link).
Conference Papers
    1. Unlu, Y. and Rossetti, M. D., “Using Higher-Order Moments in Lead Time Demand Models,” (nominated for the best paper award in the supply chain and logistics track) The Proceedings of the Industrial & System Engineering Research Conference (ISERC), 2012 (pdf).
    2. Unlu, Y. and Rossetti, M. D., “Evaluating Variance Reduction Techniques within a Sample Average Approximation Method for a Constrained Inventory Policy Optimization Problem,” The Proceedings of the 2011 Winter Simulation Conference (Logistics, Transportation,  and  Supply Chain Management Track), 2011 (pdf).
    3. Unlu, Y. and Rossetti, M. D., “Safety Stock Adjustments to Meet Desired Service Level Requirements,” Proceedings of the Industrial Engineering Research Conference (IERC), Cancun, Mexico, June 2010 (pdf).
    4. Unlu, Y. and Rossetti, M. D., “Evaluating the Lead Time Demand Distribution for (r, Q) Policies under Intermittent Demand,” Proceedings of the Industrial Engineering Research Conference (IERC), Miami, FL, May 2009 (pdf).
    5. Unlu, Y. and Mason, S. J., “Mixed Integer Programming Formulations for Non-Preemptive Parallel Machine Scheduling Problems,” Proceedings of the Industrial Engineering Research Conference (IERC), Vancouver, British Columbia, May 2008 (pdf).
    6. Unlu, Y. and Mason, S. J., “Optimizing Tank Selection and Operations Scheduling at a Large Winery,” Proceedings of the Industrial Engineering Research Conference (IERC), Nashville, TN, May 2007 (pdf).
    7. Kara, I., Unlu, Y., Cakici, E., Bektas, T., “Genelleştirilmiş Yayılma Problemi İçin Yeni Bir Tamsayılı Karar Modeli (A New Integer Programming Formulation for the Generalized Minimal Spanning Tree Problem, in Turkish)” in: Proceedings OR/IE’ 2004 24th National Meeting on Operational Research and Industrial Engineering, 49-51, 2004 (pdf(ENG), pdf(TUR)).
     Working Papers
    1. Unlu, Y. and Rossetti, M. D., “Simulation Methods for Ensuring Target Service Levels in Inventory Systems,” working paper (abstract).
    2. Rossetti, M. D., Varghese, V. M., Unlu, Y., “Modeling and Generating Intermittent Demand,” working paper  (abstract).
    Technical Reports
    1. Rossetti, M. D. and Unlu, Y., 2011, "Evaluating Lead Time Demand Models for (r, Q) Inventory Models Under Intermittent and Highly Variable Demand," Final Research Report, Center for Excellence in Logistics and Distribution (CELDi) (pdf).