Abstract: A business justification analysis system for accurately analyzing an opportunity of a business and a risk thereof with a low load. The system basically includes six components, that is, a database for storing a correspondence between opportunity classification items and risk check items, a database for storing the risk check items, a device for selecting the opportunity classification items, a device for extracting the risk check items, a device for inputting a risk check list, and a database for storing risk scores. Information for defining the correspondence between the opportunity classification items of the business and the risk check list items thereof has information about the magnitude of the correspondence. The system further includes a device for applying different weights to the respective check items according to the information when scores of the risk check items are summed.

Abstract: A method and apparatus for generating a control rule for controlling a control object which is controlled in accordance with operational information and a method and apparatus of fuzzy control which is based on the control rule generation method are designed to acquire measured information provided by measuring means equipped in the control object for measuring a state of the control object, acquire operational information of the operation which has been implemented for the control object at the time of acquisition of the measured information, and generate a control rule of operational information for measured information on the basis of the acquired measured information and operational information.