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A new approach to knowledge acquisition in interval-valued decision information system is proposed. In an interval-valued information system, by using the similarity degree of two different objects, a fuzzy similarity matrix, which generates a tolerance relation with a given level, is constructed. The universe of discourse is classified by the maximal tolerance classes based on the tolerance relation,...
The paper gave a computing method of fuzzy weight based on rough set theory in the fuzzy expert system, defined integrate weight of fuzzy knowledge by subjective weight of expert experience and impersonal weight about rough set theory. And gave the application in the Sheep Diseases Curing Network Expert System.
In the human resources management system, to evaluate the capabilities of the enterprise leaders is a key and pressing step in the selection or the assessment of business management capabilities in the competitive world, while rough set method is suitable to meet this requirement. In order to provide a scientific and effective reference for discriminating the screening quality of the business leaders,...
The universal indicator system of water resources risk assessment has been built based on natural disaster risk theory, and it were disposed with rough set theory, which realized the attribute reduction to those indicators. Thus we can get target indicators in accordance with reality in the evaluation area and the weight of the indicators has been identified by subjective (Analytic Hierarchical Process)...
In order to make the design plan better reflecting the user requirement, and change the design manner from experience-driven to performance-driven design of the hydraulic press, a method of calculating the correlation between the user requirement and hydraulic press performance is proposed;Map between them is established by use of rough set theory. The result shows that this method can reflect the...
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