With rapid development of cloud computing, security and privacy preservation of cloud storage are now attracting much more attention. In the cloud, data is always encrypted to preserve user privacy, which makes it difficult to retrieve data from the cloud. To solve the problem that using keywords to retrieve encrypted files, a privacy-preserving secure cloud storage system should be proposed. Hence this paper presents a dynamic fuzzy top-k ranking search scheme based on MRSE, as well as using TF-IDF to eval...
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