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In this paper, we propose a service composition model method that supports quantitative computation based on Stochastic Petri Nets (SPN). It can capture the semantics of complex service combinations and their respective specifications. In this method, services are divided into interior services and exterior services. The exterior services will be published to the users, while the interior ones do...
Grid computing powered by Web service technology is creating abundant service-oriented applications which are promoting the sharing and collaboration of global resources. Complex tasks can be fulfilled quickly and efficiently by combining (physically distributed) individual services into a competent composite service. Since a lot of available individual services have the same functional properties...
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