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Similarity calculating method and apparatus

  • US 9,317,887 B2
  • Filed: 07/19/2013
  • Issued: 04/19/2016
  • Est. Priority Date: 11/14/2012
  • Status: Active Grant
First Claim
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1. A computer implemented similarity calculating method, comprising:

  • extracting similarity calculating data, which is determined in advance, by receiving a communication activity record for every user;

    modeling a communication activity pattern for every user by calculating a value of a static feature from the extracted similarity calculating data;

    modeling common information between the users by calculating a value of a dynamic feature from the extracted similarity calculating data;

    calculating a static similarity for each user by using elements of the static feature to which the modeled communication activity pattern is reflected;

    calculating a dynamic similarity by using the modeled common information for each element of the dynamic feature for every user; and

    calculating a similarity between the users using the calculated static similarity and the calculated dynamic similarity.

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