Privacy and Integrity Preserving Top-k Query Processing for Two-Tiered Sensor Network

KOPPULA MOUNIKA, Dr VIJAY REDDY MADIREDDY

Abstract


Privacy and integrity has 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 can statistically estimate the data values using domain knowledge and the history of query results.

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