Istituto di Scienza e Tecnologie dell'Informazione     
Autili M., Bertolino A., De Angelis G., Di Ruscio D., Di Sandro A. A tool-supported methodology for validation and refinement of early-stage domain models. In: IEEE Transactions on Software Engineering, vol. 42 (1) pp. 2 - 25. IEEE, 2016.
Model-driven engineering (MDE) promotes automated model transformations along the entire development process. Guaranteeing the quality of early models is essential for a successful application of MDE techniques and related tool-supported model refinements. Do these models properly reflect the requirements elicited from the owners of the problem domain? Ultimately, this question needs to be asked to the domain experts. The problem is that a gap exists between the respective backgrounds of modeling experts and domain experts. MDE developers cannot show a model to the domain experts and simply ask them whether it is correct with respect to the requirements they had in mind. To facilitate their interaction and make such validation more systematic, we propose a methodology and a tool that derive a set of customizable questionnaires expressed in natural language from each model to be validated. Unexpected answers by domain experts help to identify those portions of the models requiring deeper attention. We illustrate the methodology and the current status of the developed tool MOTHIA, which can handle UML Use Case, Class, and Activity diagrams. We assess MOTHIA effectiveness in reducing the gap between domain and modeling experts, and in detecting modeling faults on the European Project CHOReOS.
URL: http://ieeexplore.ieee.org/document/7132782/
DOI: 10.1109/TSE.2015.2449319
Subject Domain modeling
Model driven engineering
Model validation
Natural language questionnaires
D.2.1 SOFTWARE ENGINEERING. Requirements/Specifications
D.2.4 SOFTWARE ENGINEERING. Software/Program Verification

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