We introduce visual graphs as an intermediate repren between concrete visual syntax and abstract graph syntax. In a visual graph some nodes are shown as geometric figures, and som...
We present the new notion of enforced generative pattern, a structure that declares positive or negative conditions that must be satisfied by a model. Patterns are applied to tran...
Language-centric methodologies, triggered by the success of Domain Specific Languages, rely on precise specifications of modeling s. While the definition of the abstract syntax ...