Nahla Haddar, Faïez Gargouri, and Abdelmajid Ben Hamadou
Abstract This paper proposes a method lbr cooperative information svsttma modeling based on integration of conceptual representations. Starting lYom existing information systems, a global information system is developed by integrating the initial ones. The originality of the approach is the use of a unification model from which the cooperation process is started, and the comparison of classes basing on static and behavioral aspects of objects. The last aspects are given by their life cycles.