“…In the work "Conception and Validation of smart Building Energy Management System BEMS using the Discrete EVent system Specification DEVS" [5], the authors Abdelfettah Maatoug and Ghalem Belalem focuse their attention on modeling and simulation of a multi-layer optimization BEMS, using the characteristics of the formalism DEVS for the first time. Their choice is explained by the fact that DEVS is a tool for modeling of discrete event systems and it divides the overall system into subsystems in order to facilitate the achievement which is consistent with the characteristics of multilayer architecture of the chosen system.…”