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User Grouping Apparatus And User Grouping Method

  • US 20090265222A1
  • Filed: 07/10/2007
  • Published: 10/22/2009
  • Est. Priority Date: 10/30/2006
  • Status: Active Grant
First Claim
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1. A user grouping apparatus comprising:

  • a storage which stores a wireless ID aggregate structure, which is an aggregated data structure of a plurality of wireless IDs set up for each wireless management apparatus used by a user, in which each wireless ID is associated with a location and time, where and when the corresponding wireless ID was read out from a wireless ID tag by a wireless ID management apparatus, and wireless ID related information which is information associated with the corresponding wireless ID, hierarchically constructed by classifying the plurality of wireless IDs based on the readout location and further by classifying them based on the readout time;

    an evaluator which evaluates the proximity between a first user'"'"'s wireless ID aggregate and a second user'"'"'s wireless ID aggregate; and

    a classifier which classifies the first user and the second user in one group when the proximity is smaller than a predetermined threshold value.

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