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Requirements specifications evolution in a multi-perspective environment

Abstract:

We adapt in this paper an analysis-revision cycle to the SCTL-MUS methodology to support the modification and evolution of requirements specifications in a multiperspective environment. To illustrate the advantages of using our approach in the analysis and revision phases, we employ two viewpoints of a thermostat system. Both viewpoints are merged in order to be able to reason over the properties of the composed system. The refinements over the merged model are transferred into each one of the viewpoints and then into the requirements in which both ones are expressed. In this way, we obtain requirements refinements close to the system domain of each viewpoint, facilitating to the stakeholders the decision of what system requirements refinements must be included in the system requirements specification.