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Consumption history privacy

  • US 10,296,763 B1
  • Filed: 10/02/2015
  • Issued: 05/21/2019
  • Est. Priority Date: 11/17/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving, at a server, a respective consumption history of each of a plurality of browsers wherein each respective consumption history comprises a history of accessing at least two different items of content over a network by a respective browser, each item of content characterized by a respective content identifier each item of content accessed from a geographic location;

    generating a first map corresponding to a first geographic location by mapping depersonalized keywords submitted to an online search engine from the first geographic location in the past to locate each item of content;

    generating a second map corresponding to a second geographic location by mapping depersonalized keywords submitted to the online search engine from the second geographic location in the past to locate each item of content;

    converting the consumption histories into protected consumption histories, at the server, by;

    recording, for each respective access of an item of content, a set of depersonalized keywords selected according to the geographic location associated with the respective access and the associated geographic location'"'"'s corresponding map selected from the first map and the second map; and

    discarding the content identifiers from the consumption histories;

    selecting an archetypical audience from the plurality of browsers, the archetypical audience comprising browsers which have made a purchase;

    determining distinctive depersonalized keywords from the protected consumption histories of the archetypical audience, the distinctive depersonalized keywords having a frequency in the protected consumption histories of the archetypical audience that is different from the frequency of the distinctive depersonalized keywords of a standard audience; and

    sending, via a network interface, advertising content to a specified browser based on the presence or absence of the distinctive depersonalized keywords in the specified browser'"'"'s protected consumption history.

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