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ernationalCon-ferenceonManagementofData. SantaBarbara: ACMPress ,2001.219-234 [7] PapadimitriouS, KitagawaH,MBT shoes sale, GibbonsPB, eta1. LOCI: fastoutlierdetectionusirlgthelocalo1) rl ~ lationintegra1. In: Pro A ---- 353 ・---- 87654321O (s a star-rich high-tech communications section l8 April 2008 No. 4 ceedingsofthe19t}-InternationalConferenceonDataEngineer-ing.Bal 'lgalore:-I-E- E - E-ComputerSociety.2003.315-326 [8] LehmannE.Elementsoftarge-SampleTheory.NewYork: SpringerVerlag ,1998.50-80DataoutlierdetectionalgorithmbasedondensitydifferenceofdoubleradiusNiuKun, ZhangShubo,air jordans, ChenJunliang (DepartmentofComputerScienceandTechnology, BeijingUniversityofPostsandTelecommunications, Beijing100876) (SchoolofSoftwareEngineering,MAC Cosmetics Cheap, BeijingUniversityofPostsandTelecommunications,MAC 88 color eyeshadow, Beijing100876) (DepartmentofDecisionStrategyResearch ,MAC Cosmetics Cheap, ChinaTelecomBeijingInstitute, Beijing100035) AhstractInviewofthedrawbacksofexistingdensity-basedoutlierdetectionalgorithms, thepapergiwanewdensity-basedoutlierdefinition, andproposesacorrespondingalgorithmforoutlierdetection (OD) basedondensitydifferenceofdoubleradius (DR) - DROD. TheDRODcomparesdifferencedensityofdoubleradiusandradiusforeachpointinfeaturespaceinordertodetectoutlierseffectively.Withoutthetime-consuming July NNqueriesasintraditionaloutlierdetectionmethods, thealgorithmreducesthetimecomplexitygreatly.Theresultsoftheexperimentonbothsyntheticdatasetsandrealdatasetsshowthatthealgorithmhaetterperformanceonbothtimecomplexityandtheabilitytodetectoutliers.Keywords: datamining, outlierdetection, densitydifference, doubleradius ・ __- -354 ・---- 相关的主题文章： true religion jeans Identification using PCR techn puma kart cat Preparation of high-pressure low-tem Chemical vapor deposition polymerization of poly acid acyl substituted phenylene dimethylene _869 |
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