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Method and apparatus for determining rule in database

  • US 6,317,735 B1
  • Filed: 05/28/1999
  • Issued: 11/13/2001
  • Est. Priority Date: 05/29/1998
  • Status: Expired due to Term
First Claim
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1. A method for determining a rule associated with an objective attribute of data in a database to predict the objective attribute value of data, said method comprising the steps of:

  • storing values relative to data belonging to each bucket, said values corresponding to each said bucket in a plane, wherein said plane has two axes respectively corresponding to two predicative numeric attributes of data and is divided into N×

    M buckets;

    segmenting a bucket region that is satisfied with a predetermined condition, from said plane;

    performing a smoothing processing for a boundary of the segmented bucket region; and

    determining a rule for predicting the object attribute value of said data by the smoothed region.

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