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Data Shuffling Procedure For Masking Data, Krishnamurty Muralidhar, Rathindra Sarathy
Data Shuffling Procedure For Masking Data, Krishnamurty Muralidhar, Rathindra Sarathy
Management Faculty Patents
A method for data shuffling to preserve data confidentiality is provided. The method comprises masking of particular attributes of a dataset which are to be preserved in confidentiality, followed by a shuffling step comprising sorting the transformed dataset and a transformed confidential attribute in accordance with the same rank order criteria. For normally distributed datasets, transformation may be achieved by general additive data perturbation, followed by generating a normalized perturbed value of the confidential attribute using a conditional distribution of the confidential and non-confidential attribute. In another aspect, a software program for accomplishing the method of the present invention is …