Multi keyword Searching Techniques for Top-K Retrieval in Encrypted Cloud
Abstract
In TRSE, we employ a vector space model and homomorphic encryption. The vector space model helps to provide sufficient search accuracy, and the homomorphic encryption enables users to involve in the ranking while the majority of computing work is done on the server side by operations only on ciphertext. As a result, information leakage can be eliminated and data security is ensured. Thorough security and performance analysis show that the proposed scheme guarantees high security and practical efficiency.
Keywords
Cloud; data privacy; ranking; similarity relevance; homomorphic encryption; vector space model
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