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Identifying topical entities

  • US 10,068,022 B2
  • Filed: 06/03/2011
  • Issued: 09/04/2018
  • Est. Priority Date: 06/03/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • identifying a plurality of entities that are associated with a particular web resource, each entity being a word or a phrase; and

    determining whether one entity from the plurality of entities is a topical entity that represents a predominant topic of the resource, wherein the determining comprises;

    generating respective search queries for each of the identified entities;

    obtaining, from a search engine, respective search results responsive to each of the generated search queries, wherein each search result has a respective ranking score;

    determining that a search result referencing the particular web resource appears above a specified rank in a ranking of the search results responsive to at least one generated search query for at least one entity; and

    in response to determining that a search result referencing the particular web resource appears above a specified rank in the ranking of the search results responsive to at least one generated search query for at least one entity;

    if the particular web resource appears above a specified rank in the ranking of the search results responsive to the generated search query for exactly one entity, designating the one entity as the topical entity; and

    if a search result referencing the particular web resource appears above a specified rank in the ranking of multiple search results responsive to multiple generated search queries, each search query and responsive results associated with more than one entity, designating one entity that generated a search result with a highest ranking score, among the multiple search results referencing the particular web resource, as the topical entity for the particular web resource.

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