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Field correlation method and system, and program thereof

  • US 8,843,818 B2
  • Filed: 03/04/2008
  • Issued: 09/23/2014
  • Est. Priority Date: 03/09/2007
  • Status: Active Grant
First Claim
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1. A field collation method for grouping fields corresponding to each other between different tables, comprising:

  • pre-storing a field group in which the fields corresponding to each other between different tables have been grouped;

    making a pair of a definite field and an indefinite field within an identical table, in each table, and calculating a correlation value between the definite field and the indefinite field of said pair, wherein said definite field belong s to an field group and said indefinite field does not belong to an field group;

    obtaining the pair in which the definite fields belong to the identical field group, out of the pairs in which said correlation value exceeds a predetermined threshold in the tables; and

    grouping the indefinite fields of said pairs in which said definite fields belong to the identical field group as a new field group.

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