Abstract:Inference control of queries for relational databases confines the information content and thus the usability of data returned to a client, aiming to keep some pieces of information confidential as specified in a policy, in particular for the sake of privacy. In general, there is a tradeoff between the following factors: on the one hand, the expressiveness offered to administrators to declare a schema, a confidentiality policy and assumptions about a client's a priori knowledge; on the other hand, the computat… Show more
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