1. What are the contributions in "A unifying reference framework for multi-target user interfaces" ?
This paper describes a framework that serves as a reference for classifying user interfaces supporting multiple targets, or multiple contexts of use in the field of context-aware computing.. In this framework, a context of use is decomposed in three facets: the end users of the interactive system, the hardware and software computing platform with which the user have to carry out their interactive tasks and the physical environment where they are working.. This paper attempts to provide a unified understanding of context-sensitive user interfaces rather than a prescription of various ways or methods of tackling different steps of development.. Most methods and tools can be more clearly understood and compared relative to each other against the levels of this framework.. In the field of multi-target user interfaces is also introduced, defined, and exemplified the notion of plastic user interfaces.
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2. What is the main purpose of the Unifying Reference Framework?
One of the main purposes of the Unifying Reference Framework consists in its capability to express design-time and run-time consideration of various models during the development life cycle of context-sensitive applications.
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3. What is the effect of delaying the reference to context models?
Delaying the reference to context models (i.e., the user, platform and environment models) at later stages, results in a larger multitargeting domain.
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4. What is the role of the rendering function in a Petri net?
The rendering function is responsible for the system response when a particular method has been invoked. - A dialog model contains a detailed description of the behaviours of the different classes and how to interact with them in a Petri net.
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