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Method and system for expertise mapping based on user activity in recommender systems

  • US 20050131897A1
  • Filed: 12/11/2003
  • Published: 06/16/2005
  • Est. Priority Date: 12/11/2003
  • Status: Active Grant
First Claim
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1. A method for identifying an expert within a community of users in a recommender system, comprising:

  • identifying items in a particular field provided by users within the community;

    for each identified item;

    determining which users within the community have acted upon the identified item;

    determining which of the users who have acted upon the identified document are aware of other relevant items in the particular field; and

    defining those users as hub experts in the particular field;

    determining which identified items have been acted upon by a predetermined number of hub experts; and

    defining those items as authoritative items.

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