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Method and apparatus for automatic entity disambiguation

  • US 7,672,833 B2
  • Filed: 09/22/2005
  • Issued: 03/02/2010
  • Est. Priority Date: 09/22/2005
  • Status: Active Grant
First Claim
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1. A method for entity disambiguation for execution by one or more data processors, the method comprising:

  • carrying out a within-document co-reference resolution for a plurality of documents, the within-document co-reference resolution comprising;

    initializing, by at least one of the data processors, a list of entities as an empty list;

    processing, by at least one of the data processors, names in order of longest to shortest within each entity type class; and

    comparing, by at least one of the data processors, each name to all entities with which it may be compatible, based on a token hash or database, the comparing being carried out via entity type-specific distance measures;

    aggregating, by at least one of the data processors, attributes about each entity mentioned in each document; and

    using, by at least one of the data processors, said entity attributes as features in determining which documents concern a same entity.

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