The continuous shift to concepts of service orientation is a fact - not only in the area of information and communication technologies but also in business environments. Model-based approaches have been identified as a suitable means to bring together business and technology. In this paper we describe an approach how knowledge about business requirements laid down in the form of metamodels can be aligned with concepts of service orientation in information technology. For that purpose we propose an evolutionary process to migrate from existing metamodels to semantically annotated services by applying metamodel slicing techniques. The resulting data services are then passed back to the business environment where they may be reused for implementation tasks or for the integration in business applications.

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