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Model based user-interface reengineering

Reengineering the user interface of a legacy system may involve redesigning the underlying computation. To increase interaction, data that is internal to a computation must be exposed so that it can be presented in a graphical interface, and the computation must be restructured to compute this data on demand. We investigate the use of demand-driven models of computation to support user-interface reengineering. Early results suggest that these models easily compose with models of graphical presentation, from which we can generate code automatically.