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Refining location estimates and reverse geocoding based on a user profile

  • US 9,953,047 B2
  • Filed: 03/16/2015
  • Issued: 04/24/2018
  • Est. Priority Date: 05/08/2009
  • Status: Active Grant
First Claim
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1. A method for refining a user'"'"'s location, the method comprising:

  • receiving, by one or more processors, location signals comprising geographical information associated with the user;

    associating, by the one or more processors, the location signals with geographical tags, temporal information, and one or more confidence scores within an index;

    receiving, by the one or more processors, a current estimated location of the user at a current time, wherein the current estimated location corresponds to a geographical location;

    associating, by the one or more processors, a first confidence score with the current estimated location;

    comparing by the one or more processors, the first confidence score to the one or more confidence scores associated with the geographical tags;

    determining, by the one or more processors, based on the comparing, whether one or more of the one or more geographical tags provides a more accurate location than the estimated current location at the current time; and

    in response to determining that one or more of the one or more geographical tags provides a more accurate location than the estimated current location, selecting the geographical tags with the highest confidence score, over the estimated current location, as a refined current position of the user.

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