A Request Oriented Model for Web Services

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Provided by: Australian Computer Society
Topic: Security
Format: PDF
The existing service modeling methodologies, such as WSDL and OWL-S, are service-oriented, which mainly focus on providing formalisms for the important features of a web service, including its functionality and QoS parameters. Conforming to these models, users need to first find what the available services are, go through the descriptions, and then shape the request specifications based on the functionality of these services. These modeling methodologies do not cope with the ever-increasing number and variety of web services, which introduces significant difficulties to users when discovering and selecting services in a large scale and heterogeneous environment.
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