User Driven Evolution of User Interface Models – The FLEPR Approach

In model-based User Interface (UI) development, models at different levels of abstraction are used. While ideas may initially only be expressed in more abstract models, modifications and improvements according to user’s feedback will likely be made at the concrete level, which may lead to model inconsistencies that need to be fixed in every iteration. Transformations form the bridge between these models. Because one-to-one mappings between models cannot always be defined, these transformations are completely manual or they require manual post-treatment. We propose interactive but automatic transformations to address the mapping problem while still allowing designer’s creativity. To manage consistency and semantic correctness within and between models and therefore to foster iterative development processes, we are combining these with techniques to track decisions and modifications and techniques of intra- and inter-model validation. Our approach has been implemented for abstract and concrete UI models using Eclipse-based frameworks for model-driven engineering. Our approach and tool support is illustrated by a case study.

Publication year:2011

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