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Document scoring based on document inception date

  • US 7,840,572 B2
  • Filed: 11/20/2006
  • Issued: 11/23/2010
  • Est. Priority Date: 09/30/2003
  • Status: Active Grant
First Claim
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1. A method implemented by one or more server devices, the method comprising:

  • identifying, by a processor of the one or more service devices, a document inception date associated with a document, where the document is one of a plurality of documents in a group, where identifying the document inception date includes one of;

    identifying a date on which a search engine first identifies or indexes the document as the document inception date,identifying a date on which a search engine first identifies a link to the document as the document inception date,identifying a date on which a domain associated with the document is registered as the document inception date,identifying a date on which the document is first referenced in another document as the document inception date, oridentifying a date on which the document includes at least a threshold number of pages as the document inception date;

    generating, by a processor of the one or more server devices, a score for the document based on the document inception date;

    ranking, by a processor of the one or more server devices, the document with regard to at least one other document based on the score;

    calculating an average age of the documents in the group based on document inception dates associated with the documents; and

    scoring the document based on a difference between the document inception date and the average age of the documents in the group.

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