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Computer Science and Information Engineering, World Congress on (2009)
Los Angeles, California USA
Mar. 31, 2009 to Apr. 2, 2009
ISBN: 978-0-7695-3507-4
pp: 43-47
Encrypting transactional data is necessary to outsource association rule mining for the purpose of privacy preserving. However encryption transformation would affect the efficiency which is another concerned aspect of the delivering process. This paper proposes an improvement on an existed substitution cipher encryption algorithm: non-deterministic one-to-n item mapping. The new transformation is more efficient while it is still valid and secure not be covered by one-to-one mappings. Both theoretical analysis and experiments validate our work.

J. Ren and B. Zhang, "An Improvement on a Non-deterministic One-to-n Substitution Scheme in Outsourcing Association Rule Mining," 2009 WRI World Congress on Computer Science and Information Engineering, CSIE(CSIE), Los Angeles, CA, 2009, pp. 43-47.
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