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Privacy-Preserving Aggregated Data Mining

  • US 20140040172A1
  • Filed: 01/10/2013
  • Published: 02/06/2014
  • Est. Priority Date: 01/10/2012
  • Status: Active Grant
First Claim
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1. A method of preserving privacy of data in a dataset in a database with a number n of entries, comprising:

  • forming a random matrix of dimension m by n, wherein m is less than n;

    operating on said dataset with said random matrix to produce a compressed dataset;

    forming a pseudoinverse of said random matrix; and

    operating on said dataset with said pseudoinverse of said random matrix to produce a decompressed dataset.

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