1. Laboratoire des Méthodes et Conception des Systèmes, Ecole nationale Supérieure d’Informatique, Alger, Algérie
2. Department of Computer Science, M’hamed Bougara University, Boumerdes, Algeria
3. Department of Computer Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
4. School of Information Technology, Illinois State University, Normal, IL, USA
5. Department of Ecology and Environment, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria