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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/3188

Authors: Sony P
Keywords: Security, Privacy of search queries, security in text retrieval, singular value decomposition
Issue Date: 26-May-2011
Abstract: Users of online services are increasingly wary that their activities could disclose confidential information on their business or personal activities. It would be desirable for an online document service to perform text retrieval for users, while protecting the privacy of their activities. A New similarity-based text retrieval scheme that prevents the server from accurately reconstructing the term composition of queries and documents, and anonymizes the search results from unauthorized observers. At the same time, this scheme preserves the relevance-ranking of the search server, and enables accounting of the number of documents that each user opens. The effectiveness of the scheme is verified empirically with two real text corpora.
URI: http://hdl.handle.net/123456789/3188
Appears in Collections:MTech 2010-2012 Batch

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