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Targeted delivery of informational content with privacy protection

  • US 7,472,093 B2
  • Filed: 03/08/2001
  • Issued: 12/30/2008
  • Est. Priority Date: 03/08/2000
  • Status: Expired due to Term
First Claim
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1. A method for enabling targeted information retrieval while protecting consumer privacy by processing aggregated requests, the method comprising:

  • (a) distributing a negotiant function for execution to a plurality of consumers, the negotiant function designed to produce an information request as output;

    (b) receiving a plurality of information requests, a first information request of the plurality of information requests associated with a first consumer and obtained by applying a first negotiant function to an element of data associated with the first consumer, a second information request of the plurality of information requests associated with a second consumer and obtained by applying a second negotiant function to an element of data associated with the second consumer; and

    after step (b), the steps of encrypting the plurality of information requests; and

    aggregating a plurality of request pairs V1, said plurality of request pairs having a sequence, each of said plurality of request pairs comprising an encrypted information request and a consumer identifier.

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