In order to integrate requirements into the current Model-Driven Engineering (MDE) approach, the traditional document-based requirements specification process should bechanged into a requirements modelling process. To achieve this we propose a requirements metamodel called REMM Requirements Engineering MetaModel) whichincludes the elements that should appear in a requirements model (requirements,stakeholders, test cases, etc.) together with the relationships that may appear between them. This metamodel is the basis of the REMM-Studio environment which enables: (1) to build graphical requirements models, (2) to validate them against the metamodel and against a set of additional OCL constraints, and (3) to automatically generate a navigable Software Requirements Specification (SRS) document as the maindeliverable of the Requirements Engineering process. REMM-Studio is expected to ease the integration of requirements with other development models (e.g. component models) and to facilitate the validation of the SRS thanks to its navigability.
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