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Traditional formal method has been solved the problems of functional modeling and verification of Web service composition, but it could not effectively analyze and calculate the costs of the service composition. A minimum cost composition algorithm based on process algebra CSP is proposed. The algorithm first translates the XML format Web service composition description to CSP format formal description...
This paper analyzes the status and tendency of network logistic, grid and ASP around the world, and explains the technical route of networked-logistic grid (Netlog), which can be divided into three layers, including the layer of grid foundation, the layer of grid application enabled and the layer of grid application realizing separately for the grid basic service, domain related grid middleware and...
Web services security (WSS) has been approved as a standard by OASIS and widely adopted in the industry as a solution for enhancing the security of Web services. However, the performance of WSS remains a concern due to the additional security contents added to SOAP message and the extra service time for processing these security contents. This paper aims at clarifying this concern by conducting a...
There are many common challenges to integrate and share information resources in enterprise or industrial environment, for example, heterogeneous structure of data sources, dynamical changing of source location and schema, sharing information across multiple autonomous administrative domains, fine-grained access control, and personalized requirements. Although it is possible to build a specialized...
While Web services have been widely accepted as a platform-independent services-oriented technology, its performance remains a concern due to the verbosity and inefficiency inherent from using text-based XML. This paper presents a study of Web services performance by evaluating the current implementations of Web services and comparing them with a number of alternative technologies. This study gives...
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