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Data analyzing method and system

  • US 5,761,389 A
  • Filed: 06/06/1995
  • Issued: 06/02/1998
  • Est. Priority Date: 09/07/1994
  • Status: Expired due to Term
First Claim
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1. A data analyzing method, utilized in an information processing system including a user interface and a rule generation module, of generating a rule based on a plurality of data items stored in a data base, said rule expressing relational features of said data items, said method comprising the steps, executed by said information processing system, of:

  • selecting data items for use in an IF clause and a THEN clause of an IF, THEN rule from said data items stored in said data base;

    when said selected data items have numerical values, converting said numerical values into symbolic values;

    creating plural candidate rules in said rule generation module, each rule expressing a correlation between selected data items in a rule form having one or plural sets of item names and symbolic values;

    calculating a criterion for evaluating strength of correlation between data items in each of said candidate rules;

    determining one or plural candidate rules having highest calculated criterion from said candidate rules; and

    outputting said one or plural candidate rules having the highest calculated criterion.

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