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Please predict whether this patent is acceptable.PATENT ABSTRACT: A method of creating rule information, the method includes: from a complex rule defining a complex condition being a combination of conditions on event data individually belonging to each of a plurality of event data classes, and a complex rule defining a predetermined action when the complex condition is satisfied, first extracting a condition on event data belonging to each of the event data classes from the complex condition; and creating an extraction rule for extracting event data to be an application target of the complex rule satisfying the extracted condition from an event data group.