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Scenario-based specifications have gained wide acceptance in requirements engineering. However, scenarios are not appropriate to describe global, system-wide invariants. Thus, a specification often consists of scenarios and universal properties. In order to obtain a consistent specification, the scenarios must be integrated in a way which does not violate the properties. However, manual integration...
This paper introduces an extractive approach to building-up a product line based on existing systems. Thereby, we focus on the analysis of common functionalities across different systems. Our commonality analysis is performed on the functional level which offers the highest reuse potential. We use the service diagram, a formally founded specification technique, for the functional specification. This...
Increasing complexity due to the multitude of different functions and their interactions as well as a rising number of different product variants are just some of the challenges that must be faced during the development of multi-functional system families. Addressing this trend we present an approach combining model-based development with product line techniques aiming at a consistent description...
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