- July 8-11 2018, Valencia, Spain: "A Branch-and-Price approach to find optimal decision trees", Firat M., Crognier G., Zhang Y., Gabor A., EURO Conference 2018.
- July 8-11 2018, Valencia, Spain: "A column generation approach for the shift design and rostering problem in airport ground handling", van Twist J., Firat M., Hurkens C., EURO Conference 2018.
- July 3-7 2016, Poznan, Poland: "Incorporating linear optimization into routing problems", Firat M., Dellaert N., Nuijten, W., EURO Conference 2016.
- June 23-28, 2013, Abbaye des Prémontrés, France: A two-level optical FTTH network design problem", Firat M., Briskorn D., Francfort S., Laugier A., MAPSP Conference 2013.
- June 19-24, 2011, Nymburk, Czech Republic: "Optimal planning in vehicle refueling problem with limited resources", Firat M., Hurkens C., Woeginger G., MAPSP Conference 2011 .
- June 19-24, 2011, Nymburk, Czech Republic: "Stability in multiskill workforce assignments: complexity analysis and stable assignments polytope", Firat M., Hurkens C., Laugier A., MAPSP Conference 2011 .
- April 26-28, 2010, Tours-Loire Valley, France: Detecting, measuring and repairing instability in schedules of tasks with skill requirements", Firat M., Hurkens C. PMS Conference 2010.
- June 29-July 03, 2009, Abbey Rolduc, the Netherlands: "Disruption Management for Commercial Aviation, ROADEF 2009", Eggermont C., Firat M., Hurkens C., Modelski M., MAPSP Conference 2009