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The increasing availability of new types of interaction platforms raises a number of issues for designers and developers. There is a need for new methods and tools to support development of nomadic applications, which can be accessed through a variety of devices. This paper presents a solution, based on the use of three levels of abstractions, that allows designers to focus on the relevant logical aspects and avoid dealing with a plethora of low-level details. We have defined a number of transformations able to obtain user interfaces from such abstractions, taking into account the available platforms and their interaction modalities while preserving usability. The transformations are supported by an authoring tool, TERESA, which provides designers and developers with various levels of automatic support and several possibilities for tailoring such transformations to their needs.
Design tools and techniques, user interfaces, heterogeneous clients, multiplatform user interfaces, authoring environments, abstract user interfaces, user interface design, task models.

F. Patern?, C. Santoro and G. Mori, "Design and Development of Multidevice User Interfaces through Multiple Logical Descriptions," in IEEE Transactions on Software Engineering, vol. 30, no. , pp. 507-520, 2004.
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