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In pervasive computing environment, Web services are widely adopted in dynamic business processes. When selecting service providers, quality of service (QoS) and security constraints should be considered simultaneously. However, most current research works about provider selection either focus on quality of service, or just take into account security constraints. In this paper, we propose an evaluation...
A critical infrastructure (CI) consists of those physical and information technology facilities, networks, services and assets which, if disrupted or destroyed, have a serious impact on the health, safety, security or economic well-being of citizens or the effective functioning of governments. Nowadays, the operation controls of these infrastructures have been computerized and have gradually become...
As opposed to centralized workflow management systems, the distributed execution of workflows can not rely on a trusted centralized point of coordination. As a result, basic security features including compliance of the overall sequence of workflow operations with the pre-defined workflow execution plan or traceability become critical issues that are yet to be addressed. Besides, the detection of...
Accelerated by the rapid deployment of distributed systems and the Internet, online collaboration and information sharing are pervasive in enterprise computing environment. With regard to the requirements of online collaboration and information sharing, authentication information needs flexible manipulation to facilitate federation across trust domains. To achieve identity federation for federated...
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