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Web services are self-describing, platform independent applications that can be accessed over the Internet. Web services enable us to dynamically find, bind and consume the needed functionality. Semantic Web services are being developed with the vision of automating this process and to facilitate interoperable machine to machine interaction with no/minimal human intervention. Semantic descriptions...
Automatic service composition typically consists of logical composition to produce an abstract workflow, followed by physical composition to transform it into a concrete workflow satisfying composition properties, such as Quality of service (QoS), preferences, and logic constraints. The composition properties have not been considered together up to now and, because they are abstract during the logical...
The semantic characteristics related to the Web services definition are weakly addressed in the original definition of the stack of Web services. Web services languages like WSDL or composition languages like BPEL still have syntactic oriented definitions. Several research activities tend to use semantic based descriptions in order to describe approaches for automatically discovering services and...
Most of the current framework for Web services is based on keyword matching. Web services which contain semantics multiplicity still cannot realize service discovery and bind automatically. To solve the lack of efficient discovery mechanism for Web service, a semantic Web technology based Web services discovery approach is presented. A semantic based index in the services registry to improve the lower...
Services are offered by service providers, which procure service implementations and maintenance, and supply service descriptions. For Web services to become practical, an infrastructure needs to be supported that allows users and applications to discover, deploy, compose and synthesize services automatically. The essence of the Web service is the process on marching between the userspsila request...
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