| 摘要 |
<p>PROBLEM TO BE SOLVED: To verify the establishment level of a CFD(Conditional Functional Dependency) rule.SOLUTION: A computer comprises: database reference means for inputting the rule of the conditional functional dependency of a verification object, and for performing access to a database to be used for verification, and for acquiring the frequency information of a pattern of the combination of satisfaction/dissatisfaction related to the premise part and conclusion part of the rule in the database or the number of the types of the different value sets of the premise part of the rule and the number of the types of the different value sets of the conclusion part of the rule in the database; verification value calculation means for calculating the verification value of the rule from the frequency information of each pattern related to the rule or the number of the types of the value sets of the premise part and conclusion part of the rule acquired by the database reference means; and rule verification means for comparing the verification value calculated by the verification value calculation means with a predetermined prescribed value, and for determining whether or not the rule has been incidentally established.</p> |
