WSMoD: A Methodology for QoS-Based Web Services Design

WSMoD: A Methodology for QoS-Based Web Services Design

M. Comerio (Università di Milano Bicocca, Italy), F. De Paoli (Università di Milano Bicocca, Italy), S. Grega (Università di Milano Bicocca, Italy), A. Maurino (Università di Milano Bicocca, Italy) and Carlo Batini (Università di Milano Bicocca, Italy)
Copyright: © 2007 |Pages: 28
DOI: 10.4018/jwsr.2007040102
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Web services are increasingly used as an effective means to create and streamline processes and collaborations among governments, businesses, and citizens. As the number of available Web services is steadily increasing, there is a growing interest in providing methodologies that address the design of Web services according to specific qualities of service (QoS) rather than functional descriptions only. In this paper, we present WSMoD (Web Services MOdeling Design), a methodology that explicitly addresses this issue. Furthermore, we exploit general knowledge available on services, expressed by ontologies describing services, their qualities, and the context of use, to help the designer in expressing service requirements. Ontologies are used to acquire knowledge among the entities involved in service design and to check the consistency of the Web service. The discussion of a QoS-based Web service design within a real case study bears evidence of the potentials of WSMoD.

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