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System and method for determining numerical representations for categorical data fields and data processing system

  • US 20030163462A1
  • Filed: 02/14/2003
  • Published: 08/28/2003
  • Est. Priority Date: 02/22/2002
  • Status: Active Grant
First Claim
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1. A method for retrieving a stored target document, comprising:

  • conducting an initial search;

    receiving a user selection of a document from a result of the initial search;

    conducting an extended search based on the document that has been selected by the user;

    extracting a group to which the selected document belongs, from a plurality of groups each including associated documents that have been concurrently selected in response to previous retrieval requests;

    determining a frequency of co-occurrence between the selected document and the associated documents;

    identifying an associated document having a frequency of co-occurrence exceeding a predetermined threshold;

    designating the associated document as the target document; and

    extracting the target document.

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