Human-computer interaction becomes sophisticated, multimodal and multi device and needs to be well-designed with the aim of facilitating application correction (i.e. to correcting errors/bugs in the application) or extension (i.e. adding new functionalities or modifying existing tasks). This thesis is focused on building a methodology of designing and specifying User Interface (UI) behaviour. The Unified Modelling Language (UML) is used to describe in detail the conceptual model and to define all its objects. The methodology flux diagram is provided with the specification of the consistency and the completeness properties of the transformation model. To support the methodology, we implement a graphic Dialog Editor in which Models are organized in three levels (abstract, concrete and final) according to Cameleon Reference Framework (CFR) and, whose process respects the Model Driven Engineering (MDE) approach. Furthermore, the use of Dialog Editor is illustrated through a simple exam...
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