1. Department of Statistics and Operations Research, College of Science Kuwait University Safat 13060 Kuwait
2. Huawei Technologies France Research Center, 18 Quai du Point du Jour, Boulogne‐Billancourt Paris France
3. LAMSADE, UMR CNRS 7243 Université Paris‐Dauphine PSL Paris France
4. ISIMS Université de Sfax Sfax Tunisia
5. Sm@rts Centre de Recherche en Numérique de Sfax (CRNS) Sfax Tunisia