Dr. Wassim Jaziri received a Ph.D. in Computer Sciences in 2004 at the Institut National des Sciences Appliquées (INSA) of Rouen. In October 2004, he joined the French Agricultural Research Centre for International Development -CIRAD- Montpellier (France), as a post-doctorate researcher. Currently, he is an assistant professor in computer science in the Higher Institute of informatics and Multimedia of Sfax- Tunisia. He is a member of the Miracl Laboratory (Multimedia InfoRmation systems & Advanced Computing Laboratory). His main interests are Optimization, Constraints satisfaction, Geographic Information Systems, spatio-temporal databases and Ontology.