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Method and system to prevent inference of personal information using pattern neutralization techniques

  • US 10,579,828 B2
  • Filed: 08/01/2017
  • Issued: 03/03/2020
  • Est. Priority Date: 08/01/2017
  • Status: Active Grant
First Claim
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1. A method for neutralizing a pattern of user activity, comprising:

  • collecting data corresponding to the user activity;

    generating a user distribution over a domain comprising a plurality of respective elements based on the collected data, wherein the user distribution indicates frequencies of the plurality of respective elements;

    determining a transformation function to neutralize the user distribution;

    applying the transformation function to neutralize the user distribution;

    wherein applying the transformation function comprises modifying the frequencies of the plurality of respective elements to generate a neutralized user distribution indicating the modified frequencies of the plurality of respective elements;

    transmitting a first output based on the user distribution to a first user performing the user activity; and

    transmitting a second output based on the neutralized user distribution to a second user monitoring the user activity;

    wherein the method is performed by at least one computer system comprising at least one memory and at least one processor coupled to the memory.

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