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...moters, and consistency checkers as MDA components. This concept of MDA component may thus be used in a wider meaning than the restricted but also more precise definition we propose in this paper. In =-=[9]-=-, Fondement and al. also propose to use MDE components to answer methodological needs. They analyze what are the different available technologies to improve reuse and define assets that can automate a...

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...t models are the primary system and software artifacts, being as important as they are in other engineering disciplines, and are specified in higher levels of abstraction using well-defined languages =-=[14]-=-. However, few attempts consider models as centric artifacts in RE. A. Proposed approach Well-written user requirements documentation is fundamental as it facilitates later phases, not only during RE,...

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...eration come from the MDE community whose objectives are: to clearly define methodologies, to develop systems at various abstraction levels, to organize and automate testing and validation activities =-=[8]-=-. This implies intensive work on models, extended to the metamodel level. It is however possible to note that metamodeling approaches go considerably beyond the scope of OMG proposals, e.g., the Megam...

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...is paper defines FlexiMeta, a metamodeling framework intended to promote more flexibility and creativity while not compromising validation through model conformance. It advocates less coupling between models and metamodels in order to make the creation of models and user-defined metamodels possible in an arbitrary order. It comes along with a generic process structured into several phases. For each phase, a proper balance between flexibility and validation is found in order to bridge the gap between creativity and strict model conformance. 1 Introduction and Motivation Metamodeling techniques [1] increase validation through model conformance. However, they drastically decrease flexibility as user-defined metamodels have to be created first and each change to the metamodels questions the validity of existing models [2]. Consequently, traditional Model-Driven Engineering (MDE) approaches fail to address some issues, such as the availability, evolution, and multiplicity of metamodels as well as the prototyping of models. Whether introducing flexibility in MDE processes is efficiently addressed or not will ultimately depend on how they are realized by modeling frameworks. Consequently, co...

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...d approach that provides knowledgesregarding what a measurement architecture should address in order to properlyssupport software measurement.sLASMA was inspired by the Model Driven Engineering (MDE) =-=[29]-=- and thesModel Driven Architecture (MDA) approaches [30]. MDE advocates the use ofsmodels with different levels of abstraction and transformations of models from a levelsto another. MDA, in turn, uses...

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... in software engineering fromsobject-oriented to model-oriented will have ansimportant impact on the way in which software systemswill be built and maintained. Model Driven Engineerings(MDE) [1][2][4]=-=[10]-=-[16] tackles the elusive problem ofssystem development by promoting the usage of modelssas the primary artifact to be constructed and maintained.sThe system, developed following the MDE approach, issf...