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Content-based association of device to user

  • US 9,356,914 B2
  • Filed: 07/30/2014
  • Issued: 05/31/2016
  • Est. Priority Date: 07/30/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • accessing, using one or more processors of a user device, first data corresponding to each of a first group of content items to which access by a first application installed on the user device is confined by a first set of permissions;

    accessing, using the one or more processors of the user device, second data corresponding to each of a second group of content items to which access by a second application installed on the user device and distinct from the first application is confined by a second set of permissions, the second group of content items and the first group of content items being distinct but overlapping proper subsets of a third group of content items accessible by the user device;

    generating, using the one or more processors of the user device via execution of a first module associated with the first application and confined by the first set of permissions, a first device identifier of the user device based on the first data;

    generating, using the one or more processors of the user device via execution of a second module distinct from the first module and associated with the second application and confined by the second set of permissions, a second device identifier of the user device based on the second data; and

    transmitting, using the one or more processors of the user device, the first and second device identifiers of the user device from the user device to a service device configured to associate the user device with a user identifier of a user based on a determination that the first and second device identifier both correspond to the user device.

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