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Server offering service targeting user and service offering method thereof

  • US 10,360,594 B2
  • Filed: 01/24/2014
  • Issued: 07/23/2019
  • Est. Priority Date: 02/01/2013
  • Status: Expired due to Fees
First Claim
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1. A method of offering a service targeting a user, performed in a server that manages data the method comprising:

  • collecting log data from a plurality of user devices, the collected log data corresponding to execution histories which are generated and written in each of the plurality of user devices;

    determining a plurality of unit zones partitioned from a service zone based on at least one of location information mapped according to cell towers or cell identification (ID) information of the cell towers, the plurality of unit zones corresponding to grid cells;

    grouping the plurality of unit zones based on an amount of data collectable with respect to the partitioned plurality of unit zones, respectivelyperforming a probabilistic topic modeling for the collected log data with respect to the grouped plurality of unit zones, respectively, the performing the probabilistic topic modeling comprising getting probability values for topics based on the collected log data with respect to the grouped plurality of unit zones, respectively, and obtaining a representative result by extracting data in order of high probability value among the topics from the collected log data using the probability values with respect to the grouped plurality of unit zones, respectively;

    receiving a service request from a predetermined user device, the receiving including receiving the service request from the predetermined user device of which a time stamp value is stored in the server, at a predetermined location within a preset period of time;

    determining, in response to the receiving of the service request, a unit zone among the grouped plurality of unit zones where the predetermined user device requesting the service is placed, the determining the unit zone including comparing ID information of the predetermined user device with previously stored ID information thereof, and in response to the ID information being matched with each other, updating location information of the predetermined user device with location information where the service request is received, and determining the unit zone where the predetermined user device requesting the service is placed based on the updated location information; and

    offering a representative result corresponding to the determined unit zone as a service targeting a user of the predetermined user device based on the probabilistic topic modeling data.

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