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Integrating service description, discovery, and invocation functionalities presents several fundamental problems in the management of web services and is a basic problem for composing web services over a network. In this paper, the authors present the design of a system called "Semantic Service, Wrapper, and Invocation Manager" (SSWiM) which provides these key functionalities. In particular, SSWiM manages storage of and queries over service descriptions in a service registry, wraps existing REST services with WSDL service interfaces, and supports for service invocation at run time.
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