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Interest expansion using a taxonomy

  • US 9,020,962 B2
  • Filed: 10/11/2012
  • Issued: 04/28/2015
  • Est. Priority Date: 10/11/2012
  • Status: Active Grant
First Claim
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1. A method for inferring interests, the method comprising:

  • receiving, by a computer system, one or more indicators of approval of from a user, each of the one or more indicators having a text corresponding thereto;

    evaluating, by the computer system, the one or more texts of the one or more indicators and identifying for the one or more texts one or more principal concepts corresponding thereto;

    for each principal concept of the one or more principal concepts;

    locating a principal article in a taxonomy corresponding to the principal concept;

    identifying candidate articles according to linking of the candidate articles relative to the principal article;

    evaluating similarity of the candidate articles to the principal article; and

    selecting at least one of the candidate articles according to the similarity;

    generating, by the computer system, recommendations for the user in accordance with concepts associated with the at least one of the candidate articles for each of the principal concepts; and

    transmitting, by the computer system, for display to the user, the recommendations;

    wherein evaluating the similarity of the candidate articles to the principal article further comprises evaluating a lineage similarity of the candidate articles to the principal article; and

    wherein the lineage similarity of the candidate articles to the principal article is calculated according to a weighted Jaccard distance between ancestors of the principal article and ancestors of the candidate articles, each ancestor of the principal article and each ancestor of the candidate articles being weighted according to a number of descendants of the each ancestor in the taxonomy including the ancestors of the principal article and the candidate articles.

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