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Cloud computing is emerging as a revolutionary computing paradigm which provides a flexible and economic strategy for data management and resource sharing. Security and privacy become major concerns in the cloud scenario, for which Searchable Encryption (SE) technology is proposed to support efficient keyword based
Cloud computing as an emerging technology trend is expected to reshape the advances in informationtechnology. In this paper, we address two fundamental issues in a cloud environment: privacy and efficiency. We first review a private keyword-based file retrieval scheme proposed by Ostrovsky et. al. Then, based on an
Cloud computing has emerged as a major way of reducing the informationtechnology costs incurred by organizations. For a cost-sensitive organization which stores its data in the cloud and retrieves files via keyword search, the primary focus is on the issues of cost effectiveness as well as privacy. Three keyword
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