Concern-Driven Software Development

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With Model-Driven Engineering (MDE), software development is seen as a process of model production, refinement and integration. Models are built at different points or during different phases of the software development life cycle for different purposes using the most appropriate modelling formalism(s) at the most appropriate level(s) of abstraction for the task at hand, and model transformations are defined that establish relationships among these models. It has been shown that MDE can significantly lower the costs of software development. One of the main reasons why MDE is not widely used in practice is the lack of model reuse. Typically, models for a system under development are created from scratch, rather than reusing already existing models. This makes modelling often more cumbersome than coding, since most programming languages nowadays offer extensive libraries or frameworks facilitating code reuse.