Halil Şen
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Research

Journal Papers and Conference Proceedings

Bülbül, Kerem and Kedad-Sidhoum, S. and Şen, H. (2018). Single-Machine Common Due Date Total Earliness/Tardiness Scheduling with Machine Unavailability. Journal of Scheduling, Online, 1–23.
https://doi.org/10.1007/s10951-018-0585-x

 

Bülbül, Kerem and Şen, H. (2017). An Exact Extended Formulation for the Unrelated Parallel Machine Total Weighted Completion Time Problem. Journal of Scheduling, 20(4), 373–38.
https://doi.org/10.1007/s10951-016-0485-x

 

Şen, Halil and Bülbül, K. (2015). A Strong Preemptive Relaxation for Weighted Tardiness and Earliness/Tardiness Problems on Unrelated Parallel Machines. INFORMS Journal on Computing, 27(1), 135–150. https://doi.org/10.1287/ijoc.2014.0615

 

Şen, Halil and Bülbül, K. (2012). A Simple, Fast, and Effective Heuristic for the Single-Machine Total Weighted Tardiness Problem. In Demeulemeester, E. and Herroelen, W. (Eds.), Proceedings of the 13th International Conference on Project Management and Scheduling, (PMS 2012, Leuven, Belgium) 282–286. http://www.econ.kuleuven.be/eng/tew/academic/prodbel/PMS2012/proceedings.pdf

 

Working Papers

Chance-Constrained Two-Stage Mean-Risk Stochastic Programming. Joint work with K. Bülbül, S. Küçükyavuz, and N. Noyan.

 

Logic Based Benders Decomposition for Unrelated Parallel Machine Weighted Earliness/Tardiness Scheduling. Joint work with K. Bülbül.

 

Refereed Conference Presentations, Invited Talks

A review of the algorithmic enhancements for Benders decomposition. Joint work with B. Detienne, R. Sadykov, and F. Vanderbeck.

– ROADEF2018, Lorient, France, 2018
– ROADEF2017, Metz, France, 2017
– PGMO Days 2016, EDF’Lab Paris Saclay, France, 2016
– 4th International Symposium on Combinatorial Optimization (ISCO 2016), Vietri sul Mare, Italy, 2016

 

A Strong Preemptive Relaxation for Minsum Scheduling Problems on Unrelated Parallel Machines. Joint work with K. Bülbül.

– University of Bordeaux, Seminar Series of the INRIA Team ReAlOpt, Bordeaux, France, 2015
– The Université Catholique de Louvain, CORE Seminar Series, Louvain-la-Neuve, Belgium, 2015
– Sabancı University, IE-OPIM Joint Graduate Seminar Series, Istanbul, Turkey, 2014 (presented by K. Bülbül)
– University of Southern California, Los Angeles, CA, 2014 (presented by K. Bülbül)

 

Single-Machine Earliness-Tardiness Scheduling with Periods of Machine Unavailability. Joint work with K. Bülbül and S. Kedad-Sidhoum.

– 20th Conference of the International Federation of Operational Research Societies (IFORS 2014), Barcelona, Spain, 2014 (presented by S. Kedad-Sidhoum)

 

A Strong Preemptive Relaxation for Weighted Tardiness and Earliness/Tardiness Problems on Unrelated Parallel Machines. Joint work with K. Bülbül.

– OR and IE Doctoral Students Colloquium, Middle East Technical University, Ankara, Turkey, 2014
– The Ohio State University, Columbus, OH, 2014 (presented by K. Bülbül)
– 33rd National Conference on Operations Research and Industrial Engineering (YAEM) – joint with the International IIE Conference, İstanbul, Turkey, 2013
– XXVI EURO – INFORMS Joint International Conference, Rome, Italy, 2013 (presented by K. Bülbül)
– Joint 2nd Workshop of the Turkish and Israeli Operations Research Societies (WITOR2), Tel Aviv, Israel, 2013 (presented by K. Bülbül)

 

A Preemption-Based Heuristic for the Single-Machine Generalized Total Weighted Tardiness Problem. Joint work with K. Bülbül.

– 13th International Conference on Project Management and Scheduling (PMS 2012), Leuven, Belgium, 2012
– 32nd National Conference on Operations Research and Industrial Engineering (YAEM), İstanbul, Turkey, 2012

 

A Simple, Fast, and Effective Heuristic for the Single-Machine Total Weighted Tardiness Problem. Joint work with K. Bülbül.

– Turkish Naval Academy, İstanbul, Turkey, 2012
– 24th European Conference on Operational Research (EURO XXIV), Lisbon, Portugal, 2010
– 30th National Conference on Operations Research and Industrial Engineering (YAEM), İstanbul, Turkey, 2010