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QoS prediction for Web services is a hot research problem in the field of services computing. As one of the most important methods for QoS prediction, Collaborative Filtering (CF) makes prediction based on the historical QoS data contributed by similar users and services. The key issue in this process is to detect the unreliable data offered by untrustworthy users, which has attracted limited attentions...
Traditional mesh is a popular interconnection architecture for Networks-on-Chip (NoCs). However, with the trend towards larger number of cores in chip multiprocessors, it is unable to stand the fast-growing diameter and average distance in meshes. Recently, concentration and express channels are two countermeasures for that. In this paper, a new scheme called multi-mapping is proposed, which allows...
Access control is always essential for safe and security access to the system resource. Role based access control (RBAC) model is widely used in large enterprise software systems. The quality of the RBAC policy design especially role definition has great impact on the system security policy implementation. In this paper we propose a novel role engineering methods with security KAOS (SKAOS), which...
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