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Symmetric-Key Based Privacy-Preserving Scheme For Mining Support Counts

Author(s): Yu Li | Sheng Zhong

Journal: Advanced Computing : an International Journal
ISSN 2229-726X

Volume: 4;
Issue: 2;
Start page: 1;
Date: 2013;
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Keywords: Privacy - Preserving | Symmetric - key encryption | Support Counts

In this paper we study the problem of mining support counts using symmetric-key crypto which is moreefficient than previous work.Consider ascenario that each user has an option (like or unlike) ofthespecified product, and a third party wants to obtain thepopularity of this product. We design a much moreefficient privacy-preserving scheme for users to prevent theloss of the personal interests. Unlike mostprevious works, we do notuseany exponentialor modularalgorithms, but we provide a symmetric-keybased method which can also protect the information.Specifically, our protocol uses a third party thatgenerates a number of matrixes as each user’s key. Then user uses these key to encrypt their data which ismore efficient to obtain the support counts of a given pattern
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