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With the rapid development of cloud computing, more users are attracted by its powerful and cost-efficient computation capability. However, whether CSPs can effectively protect CSUs’ data confidentiality remains a challenging issue. In this work, we aim at ensuring data confidentiality in the cloud environment by enabling CSUs to (1) encrypt their sensitive data and perform data correctness verification...
With the rapid development of reputation systems in various online social networks, manipulations against such systems are evolving quickly. In this paper, we propose scheme TATA, the abbreviation of joint Temporal And Trust Analysis, which protects reputation systems from a new angle: the combination of time domain anomaly detection and Dempster–Shafer theory-based trust computation. Real user attack...
In recent years, many researchers have paid attention to using the existing wireless local area network infrastructure to estimate position. There are two kinds of signal-strength-based modeling for WLAN positioning system: propagation modeling and fingerprinting modeling. The propagation modeling can not have high positioning accuracy; and the fingerprinting modeling will take great effort and time...
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