AS3 : A method to design service-based adaptive systems for smart environments

Résumé

Smart systems are systems that rely on technological advancements to continuously adapt and improve in order to provide added-value to their users. Designing these systems in a coherent and methodical way is important to set the stage for highly interoperable and collaborative systems with the potential to propel the software community into an era of Systems of Systems. However, the different and numerous concepts, technologies and techniques that have been linked and used recently to develop these systems made this task a challenging endeavor. Indeed, the existing literature on the subject is focused on the technical aspects of developing smart systems with very little effort and thought to how these systems should be designed.To tackle this gap, this thesis proposes and develops a method, called AS3, to analyse and design smart systems. The method starts from a broad definition of the smart system and builds on it to define a smart system loop that provides an integrated view of the main entities that are present in a smart system and their interactions. This smart system loop builds on the adaptability loop as well as the main concepts from context-awareness and service orientation to cover the life cycle of the smart system. Supported by a product metamodel and a process model, the method then provides the intentions and strategies that can be followed in order to design context-aware service-based smart systems. To insure the continuous improvement of the system, the method supports recommendation to allow easy automation of the improvement while keeping the method user in the loop. To showcase the relevance and the efficacy of the AS3 method, this thesis includes a complete rundown of the method to design a system that deals with road security called SMARTROAD.

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