Classical rough set has a limited processing capacity in fuzzy decision table. Combining fuzzy set with classical rough set,attribute reduction algorithm on fuzzy decision table is studied. First,new similarity degree...Classical rough set has a limited processing capacity in fuzzy decision table. Combining fuzzy set with classical rough set,attribute reduction algorithm on fuzzy decision table is studied. First,new similarity degree and new similarity category are defined. In the meantime,similarity category clusters which are divided by condition attribute are provided. And then,two theorems are presented. Subsequently,a new attribute reduction algorithm is proposed. Finally,the new attribute reduction algorithm is verified through a performance evaluation decision table of the self-repairing flight-control system. The result shows the proposed attribute reduction algorithm is able to deal with fuzzy decision table to a certain extent.展开更多
A new method for rules reduction to fuzzy attribute information systems is presented in this paper. Themethod gives a technique to treat continue attribute problem and a practical program scheme. Besides, the paper de...A new method for rules reduction to fuzzy attribute information systems is presented in this paper. Themethod gives a technique to treat continue attribute problem and a practical program scheme. Besides, the paper de-velops fuzzy theory with the technique of probability.展开更多
基金supported by the Foundation and Frontier Technologies Research Plan Projects of Henan Province of China under Grant No. 102300410266
文摘Classical rough set has a limited processing capacity in fuzzy decision table. Combining fuzzy set with classical rough set,attribute reduction algorithm on fuzzy decision table is studied. First,new similarity degree and new similarity category are defined. In the meantime,similarity category clusters which are divided by condition attribute are provided. And then,two theorems are presented. Subsequently,a new attribute reduction algorithm is proposed. Finally,the new attribute reduction algorithm is verified through a performance evaluation decision table of the self-repairing flight-control system. The result shows the proposed attribute reduction algorithm is able to deal with fuzzy decision table to a certain extent.
文摘A new method for rules reduction to fuzzy attribute information systems is presented in this paper. Themethod gives a technique to treat continue attribute problem and a practical program scheme. Besides, the paper de-velops fuzzy theory with the technique of probability.