A View Based Analysis on Web Service Registries
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Web services registries are a cornerstone for the emerging service-oriented architecture and constitute a critical resource for Web services. We systematically illustrate and evaluate current registries and compare different approaches regarding their architectures and data models in the context of two views: the human and Web service based views. We use these views to show the different requirements and to illustrate the different abstractions when comparing Web service registries. The human view on Web service registry architectures is illustrated with the help of a case study. The Web service view on Web services registry architectures is illustrated from a software-service point of view. The data model of Web service registries is described in detail from a machine based view. The corresponding human view is described from an abstract level. Web service publishing and discovery are compared from a human and a Web service based view. Finally, we present a working example that uses our methodology to compare different Web service registries and to explain the different views introduced in this paper.
KeywordsWeb service registries service-oriented architecture
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