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Privacy and integrity have been the main road block to the applications of two-tiered sensor networks. The storage nodes, which act as a middle tier between the sensors and the sink, could be compromised and allow attackers to learn sensitive data and manipulate query results. Prior schemes on secure query processing are weak, because they reveal non-negligible information, and therefore, attackers...
Network reachability is one of the key factors for capturing end-to-end network behavior and detecting the violation of security policies. While quantifying network reachability within one administrative domain is already difficult, quantifying network reachability across multiple administrative domains is more difficult because the privacy of security policies becomes a serious concern and needs...
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