对象导出三支概念格的矩阵粗糙熵约简

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中图分类号:TP18 文献标志码:A 文章编号:0253-2395(2025)04-0713-12
Abstract:Atributeeductinisanmportatreseachissueinfraloncptanalysisdsekingefintatrbuteductioet odsisalsoaottopicofoneTspaperstuesatrbuteductiosofteducdteeaonptlatiyitroduc ing matrixroughentropyintotheforalcontext.Firstly,theOE-matrix (object-inducedthre-waymatrix)roughentropyof he OEconceptlaticeisdefinedbycombiningtheOE-objectgranularmatrixwithroughetropy,andOE-matrixsimlarityentropybased onthesimilarityofOE-objectgranularmatrixisproposedandtherelatedpropertiesofthemarediscused.Secondlytheatrix roughentropyconsistentsetandmatrixroughetropyreductionsetof theOE-conceptlaticesaredefined.Thenthejudgmenttheo remsforthe matrixroughentropyconsistentsetaregiven.Theimportance measureofatributesapplyingOE-matrixsimilarityentropyispropoed,byichtemethodandcoespondingalgorithmfrobaiingmatrixoughtropyattiuterductonaefur therlyinvstigatedinallprtsofteucioeuctdUCUsityiaase. Theexperimentalresultsshowed thatfordatasets withthecountofatributelessthan1Oand datasets withthecountofatribute greater than10, the reduction timewas reduced by anaverage of 69.1% and 97.5% ,respectively,confirming that the algorithm is
moresuitableforthelargesampledata.
Keywords:foalcntext;obect graularmatrix;matrixougheropyconsistentset; matrixsimilarityetropy;tributerductio
0 引言
由德国数学家Wile提出的概念格理论[1(也称为形式概念分析理论),是一种数据处理工具。(剩余17230字)