1. Université de Montpellier, LIRMM Montpellier France
2. Department of Computer EngineeringGebze Technical University Kocaeli Turkey
3. CNRS, LIRMMUniversité de Montpellier Montpellier France
4. TelHai College Qiryat Shemona Israel
5. Department of Industrial EngineeringBoğaziçi University Istanbul Turkey
6. Department of MathematicsNational and Kapodistrian University of Athens Athens Greece