基于多重关系领域知识的分类问题研究

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1、Y870550基于多重关系领域知识的分类问题研究TheResearchofClassificationBasedonMulti—RelationDomainKnowledge作者姓名翅逝斐学位类’型堂压亟±学科、专业盐篡扭虞盛蘧盛研究方向厶王蟹建皇数握撞翅导师及职称：塑堂姻熬鬟2006年4月TheResearchofClassificationBasedonMulti-RelationDomainKnowledgeAbstractWiththeexplosivegrowthofthesizeofdatabases，knowledgediscoveryindatabases(KDD)ar

2、efacingnewproblemssuchas,focusingsearchtorelevantportionofdata，makingthediscoveredpatternsmoremeaningfulandSOon．Additionalknowledge，calleddomainknowledge(DK)，isusedtohelpthestepsofthediscoveryprocesssuchasdatapre-pmcessing，findingthestrongrelevantattributes，generalizingtheconceptstomoreinteresti

3、nglevels，guidingthediscoveryprocesstoextractmoreusefulrules，interpretingthediscoveredresultsandmakingtheresultsbemorcunderstandabletotheenduserandSOon,SOastomakethediscoveryprocessmoreefficientlyandeffectively．However,theresearchandapplicationreferringtothisresearchfieldareataprimarystage，thusde

4、serveourexploringandfurtherresearch．KDDbasedonDKisanewlypromisingresearchfield．ConceptlaRice，alsocalledGCL(GaloisConceptLattice)isacompleteformofknowledgerepresentation．Inthedissertation，incorporatingdomainknowledgebasedonconceptlatticeisproposed，whichisintendtofindtheinnerrelationshipamongattri

5、butevalfies．ThecontentOfthedissertationisaSfollows：1．TheroleofdomainknowledgeintheprocessofKDDiSdiscussedindetail．Basedondifferentrepresentationofdomainknowledge，theeffectandthecorrespondingmechanismofusingdomainknowledgearedifferent．2．TheessentialpurposeofKDDistofindthepotentialrelationshipamon

6、gdatathatdescribedinmulticonceptlevets．However，thedatastoredintherealworlddatabasescorrespondtoacertainspecializedlevel，whichCan’trevealthecolnmorlinformationamongthesedata．Thisdissertationincorporatesmulti—relationdomainknowledgethatCallbeusedtofindtheinnerrelationshipofattributesintoknowledged

7、iscoveryandutilizesconceptlatticefordescribingtheclosestrelationshipamongattributevalues．3．Aclassificationalgorithmisalsopresented，whichdemonstratesthesuperiorityofusingmulti—relationdomainknowledgerepresentedbyconceptlaRice