高级频繁模式挖掘

多层、多维空间的模式挖掘: 单维规则: buys(X, “milk”) Þ buys(X, “bread”) 多维规则: n维间关联规则 (无重复的谓词) age(X,”19-25”) Ù occupation(X,“student”) Þ buys(X, “computer”) n混合维关联规则 (包含重复的谓词) age(X,”19-25”) Ù  buys(X, “computer”) Þ

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