Fidalgo, Robson N; Alves, Edson; España Cubillo, Sergio; Castro, Jaelson; Pastor López, Oscar(Sociedade Brasileira de Computação, 2013-10)
[EN] A metamodel provides an abstract syntax to distinguish between valid and invalid models. That is, a metamodel is as useful for a modeling language as a grammar is for a programming language. In this context, although ...