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On-device directory search

  • US 10,373,221 B1
  • Filed: 03/06/2018
  • Issued: 08/06/2019
  • Est. Priority Date: 03/05/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving, at a server and from a user device, a first location of the user device;

    determining, by the server, a first set of merchants within a first geographical region that includes the first location of the user device;

    sending, by the server, the first set of merchants to the user device to be stored in an on-device directory of the user device;

    determining, at the server, a change in location of the user device based on information received on a second location of the user device that is different from the first location of the user device;

    determining, by the server, delta information identifying a difference between merchants included in the first set of merchants and merchants included in a second set of merchants within a second geographical region that includes the second location of the user device; and

    sending, by the server, the delta information to the user device for updating the on-device directory of the user device to enable the user device to search for merchants relative to the second location of the user device without communicating with the server.

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