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For service-oriented systems the estimation of QoS is an important factor to determine whether a prospective service composition will meet the expectations of its final users. Many approaches to QoS estimation of service compositions have been proposed. However, not all of them allow the QoS of composition be estimated a priori and systematically from the QoS of its individual services. This is an...
SOA and cloud computing have brought new opportunities for the long expected agility, reuse and the adaptive capability of IT to the ever changing business requirements and environments. But due to the immature nature of the rapidly evolving technologies, especially in the areas of security, service or information integrity, privacy, quality of service and their possible detrimental consequences,...
This thesis puts forward an innovative model of health management service grid, and gives the overall architecture of health management grid platform system by which a health management service model can be established based on the analysis of present condition of health management in China. This paper also presents a new integrated model about the health management service resources by using the...
Summary form only given. Orchestrating Web services has become the method of choice for building new services on top of existing ones, e.g., for business processes. Languages and methods have been developed and are now getting widely used, BPEL being the typical instance. When exposing the profile of a Web service, QoS parameters are typically specified. Besides security aspects, QoS involves a variety...
This is an introduction to the proceedings of the MWS 2007 workshop held at EDOC 2007. It first explains the motivation for and background of the workshop. Then, it contains a short description of the keynote, each long and short peer-reviewed paper, and the discussion session "impact of various execution environments on middleware for web services". After the closing statements, MWS 2007...
In recent years, organizations have been shifting focus to their core business competencies, and reducing total cost of ownership (TCO) associated with training and management of their IT infrastructure. In the same motif, organizations are establishing security and survivability frameworks as an integral part of their business strategy so as to provide an acceptable quality-of-service for their clients...
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