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In recent years, research has been going in the field of service composition to improvise and gain fast delivery of complex applications. These complex business processes from heterogeneous service providers are composed as services at the run time to match the requirements of the consumers. Service composition has been acknowledged as a promising approach to create composite services that are capable...
Assuring quality of service (QoS) properties is critical in service-oriented applications (SOAs) development. In this paper, we present an approach for specifying QoS properties on services and selecting services for their composition in a way that maximizes the QoS values. We apply the integration of concerns paradigm to allow combined specification of QoS and functional properties by using Quantitative...
In this paper, we outline the problem of allocating instances of services to different applications. We study a simple form of this problem with three types of services and two classes of applications. We address the problem when all instances of services have the same QoS parameters and when they have different QoS parameters. The objective of our problem is to find an optimal policy for accepting...
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