基于多重關(guān)系領(lǐng)域知識(shí)的分類(lèi)問(wèn)題研究.pdf

1、Y870550基于多重關(guān)系領(lǐng)域知識(shí)的分類(lèi)問(wèn)題研究TheResearchofClassificationBasedonMulti—RelationDomainKnowledge作者姓名翅逝斐學(xué)位類(lèi)’型堂壓亟學(xué)科、專(zhuān)業(yè)鹽篡扭虞盛蘧盛研究方向厶王蟹建皇數(shù)握撞翅導(dǎo)師及職稱：塑堂姻熬鬟2006年4月TheResearchofClassificationBasedonMultiRelationDomainKnowledgeAbstractWitht

2、heexplosivegrowthofthesizeofdatabases，knowledgediscoveryindatabases(KDD)arefacingnewproblemssuchasfocusingsearchtelevantportionofdata，makingthediscoveredpatternsmoremeaningfulandSOonAdditionalknowledge，calleddomainknowle

3、dge(DK)，isusedtohelpthestepsofthediscoveryprocesssuchasdataprepmcessing，findingthestrongrelevantattributes，generalizingtheconceptstomoreinterestinglevels，guidingthediscoveryprocesstoextractmoreusefulrules，interpretingthe

4、discoveredresultsandmakingtheresultsbemorcunderstandabletotheenduserandSOonSOastomakethediscoveryprocessmoreefficientlyandeffectivelyHowevertheresearchandapplicationreferringtothisresearchfieldareataprimarystage，thusdese

5、rveourexploringandfurtherresearchKDDbasedonDKisanewlypromisingresearchfieldConceptlaRice，alsocalledGCL(GaloisConceptLattice)isacompleteformofknowledgerepresentationInthedissertation，incorporatingdomainknowledgebasedoncon

6、ceptlatticeisproposed，whichisintendtofindtheinnerrelationshipamongattributevalfiesThecontentOfthedissertationisaSfollows：1TheroleofdomainknowledgeintheprocessofKDDiSdiscussedindetailBasedondifferentrepresentationofdomain

7、knowledge，theeffectandthecorrespondingmechanismofusingdomainknowledgearedifferent2TheessentialpurposeofKDDistofindthepotentialrelationshipamongdatathatdescribedinmulticonceptlevetsHowever，thedatastoredintherealworlddatab

8、asescorrespondtoacertainspecializedlevel，whichCan’trevealthecolnmorlinformationamongthesedataThisdissertationincorporatesmulti—relationdomainknowledgethatCallbeusedtofindtheinnerrelationshipofattributesintoknowledgedisco

9、veryandutilizesconceptlatticefordescribingtheclosestrelationshipamongattributevalues3Aclassificationalgorithmisalsopresented，whichdemonstratesthesuperiorityofusingmulti—relationdomainknowledgerepresentedbyconceptlaRice4B