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Selective privacy guarantees

  • US 7,818,335 B2
  • Filed: 12/22/2005
  • Issued: 10/19/2010
  • Est. Priority Date: 12/22/2005
  • Status: Expired due to Fees
First Claim
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1. A method for selectively determining privacy guarantees, comprising:

  • specifying at least one first class of data in a database, said database comprising data corresponding to said first class of data, and said database further comprising additional data;

    calculating a first diameter for said first class of data;

    calculating a first noise distribution at least in part using said first diameter,wherein a first privacy parameter is at least in part used when calculating said first noise distribution;

    performing a query over said first class of data and said additional data;

    adding a noise value selected from said first noise distribution to an output of said query;

    specifying at least one second class of data in the database;

    calculating a second diameter for said second class of data; and

    calculating a second noise distribution at least in part using said second diameter and a second privacy parameter.

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