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ID:36640031
大小:2.40 MB
页数:76页
时间:2019-05-13
《面向异常检测的关联模式挖掘算法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、东南大学博士学位论文面向异常检测的关联模式挖掘算法研究姓名:朱玉全申请学位级别:博士专业:计算机应用技术指导教师:孙志挥20030615东南_人学博士学位论文ABSTRACTAlongwiththeprogressofscience&technologyandtherapiddevelopmentofcomputernetwork,networkande-businesshavebecometheonlywaybywhichenterprisesgaincompetitiveadvantages.Howeveahighlyadvancednetworkhasbroughtushigh
2、risk.Thesecurityofthenetworkandinformationsystemhasbecomeasocialproblemwhichpeoplepaymuchattentionto.Howtopredict,identify,evaluatethesepotentialproblems,andmanagethemwitheconomicandeffectivecountermeasureswillbeatechnicalproblemtoberesolvedformodembusinessmanagement,whichwilldeterminatetheexis
3、tenceanddevelopmentofanenterprise.Themostimportantsignificanceofestablishingdefensesystemsofnetworksafetyforenterprises,especiallye—businessenterprises,liesinriskmanagement.Theabnonnitydetectiontechnology,whichistheessentialcomponentofthedefensesystemsofnetworksafety,hasbroughttomanyresearchers
4、’attention,andhaswidemarketforeground.Researchesfromhomeandabroadshowthatitisfeasibleintheorytoapplydataminingtectmologytoabnormitydetection,anditispossibletoconstructsuchasystemintechnologytOO.Theminingforassociationpatternsisquiteanimportantresearchtaskintheresearchondataminingtechnologyforab
5、nomtitydetection.Inthispaper,themodelofassociationpattemsminingforabnormitydetectionanditsalgorithmsareproposed,whichestabIishcorrespondingalgorithmselementsforthedefensesystemsofnetworksafety.Themainresultsandcontentsobtainedinthisdissertationareasfclllows:Firstly,themodelofassociationpatterns
6、miningforabnormitydetectionisproposed.Theproblemsandtechnicaldifficultyofitsalgorithmareanalyzed,whichincludedispersion,efficiency,paralleldatamining,pertinence,incrementalupdatingandSOon.Thepattemcodingandthemethodtocomparetwokindsofpatternsareputforward.Secondly,forthecharacteristicofsecurity
7、auditdata,analgorithmforminingassociationpatternsonabnormitydetectionisproposed.Twokindsofincrementalupdatingalgorithmsarealsopresented.Bythesealgorithms,wecannotonlyfindassociationpattemsoruserbehavior’Spatternsefficientlyfromsec
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