S-rough sets and F¯-hiding knowledge discovery

被引：0

作者：

School of Mathematics and System Sciences, Shandong Univ., Jinan 250100, China ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

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来源：

Xi Tong Cheng Yu Dian Zi Ji Shu/Syst Eng Electron | 2008年 / 4卷 / 644-648期

关键词：

Data mining - Knowledge acquisition;

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摘要：

Singular rough sets (S-rough sets) have three forms; one direction S-rough sets, dual of one direction S-rough sets and two direction S-rough sets. Dynamic, hereditary, mnemonic properties are the basic characteristics of S-rough sets. By using dual of one direction S-rough sets and its hiding characteristics, the concepts of -hiding knowledge, F¯-hiding knowledge, hiding degree and hiding dependence are given. Then hiding theorem and hiding dependence theorem of hiding knowledge are proposed. Finally, an application of F¯-hiding and F¯-hiding dependence to system state recognition is discussed.

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