Service engineering and Service-Oriented Architectures (SOAs) have recently been embraced by both industry and research, as they promise high reusability and maintainability, and a flexible environment for future changes in business requirements and workflows. In this paper, we present a model-driven service engineering approach called the SENSORIA Development Approach (SDA). The SENSORIA project has developed a number of formal techniques that support service engineering, e.g., quantitative or qualitative analyses of service artifacts. The main contribution of the SDA is the integration of these techniques in a process for engineering service-oriented systems.
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