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Extending WSDL and UDDI with Quality Service Selection Criteria

Eleyan, AA and Zhao, L (2010) Extending WSDL and UDDI with Quality Service Selection Criteria. In: 3rd International Symposium on Web services, 21 April 2010 - 22 April 2010, Zayed University, Dubai.

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Abstract

Quality criteria play an important role in Web Services as they differentiate similar services by qualities. Quality-based web services enable service requesters to choose and bind to a suitable Web service at run time based on their preferred quality criteria. There are many quality criteria that are important to Web services. This paper proposes a quality criteria classification that organizes web services qualities into four groups: performance, failure probability, trustworthiness and cost. The quality criteria classification is specified within the Web Service Description Language (WSDL). The paper demonstrates an approach that enables the Universal Description, Discovery and Integration (UDDI) to help business partners to discover services based on quality criteria by extending the current Web service architecture with a quality server. The quality server uses a mathematical method to facilitate and assist the requester to discover and select the best available Web services.

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