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Cloud computing has garnered much interest in recent years for its many advantages, but also for its security, privacy concerns. The storage, access of confidential documents has been identified as one of the central problems in the area. Many researchers investigated solutions to search over encrypted documents stored on remote cloud servers. Others proposed schemes for ensuring data integrity or...
In this paper, we study the problem of privacy-preserving top-k keyword similarity search over outsourced cloud data. Taking edit distance as a measure of similarity, we first build up the similarity keyword sets for all the keywords in the data collection. We then calculate the relevance scores of the elements in the
In online social networks (OSNs), user connections can be represented as a network. The network formed has distinct properties that distinguish it from other network topologies. In this work, we consider an unstructured keyword based social network topology where each edge has a trust value associated with it to
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