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DETERMINING DOCUMENTS THAT MATCH A QUERY

  • US 20140229473A1
  • Filed: 02/12/2013
  • Published: 08/14/2014
  • Est. Priority Date: 02/12/2013
  • Status: Active Grant
First Claim
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1. A method for determining documents that are nearest to a query, comprising:

  • constructing a vantage point tree based on a plurality of document vectors; and

    searching the vantage point tree to determine a plurality of nearest neighbor document vectors to a query vector by removing a portion of the plurality of document vectors from the vantage point tree based on one or more vantage points for each of a plurality of nodes in the vantage point tree and a specified search radius centered about the query vector.

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