Dynamic Multi-keyword Top-k Ranked Search over Encrypted Cloud Data

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Cloud
Format: PDF
Now-a-days, more and more people are motivated to outsource their local data to public cloud servers for great convenience and reduced costs in data management. But in consideration of privacy issues, sensitive data should be encrypted before outsourcing, which obsoletes traditional data utilization like keyword-based document retrieval. In this paper, the authors present a secure and efficient multi-keyword ranked search scheme over encrypted data, which additionally supports dynamic update operations like deletion and insertion of documents.
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