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Service-Oriented Architecture is a cornerstone for the realization of the user's needs through the automatic composition of services from service descriptions and user tasks. Yet, automatic service composition processes commonly assume that Linguistic Web Service descriptions and user requests share the same abstraction level, and that services have been pre-designed to integrate. In this paper, we...
With the growth of the number of Web services published over Internet, identifying composite services by taking into account both functional and non-functional requirements of end users has become a real challenge that needs to be addressed. This challenge is aggravated in the case of situations requiring adaptation to user context. To overcome these challenges, we propose a solution that enables...
With the continued growth of Service Oriented Architectures (SOA), cross-organizational enterprise collaboration is needed to satisfy complex client needs. To define dependencies between collaborative enterprises and guarantee the required Quality of Service (QoS) at different layers of the SOA, agreements present an effective solution. In fact, using agreements at different layers of SOA gives a...
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