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ID:34848845
大小:1.95 MB
页数:51页
时间:2019-03-12
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1、◆上海海洋大学硕士学位论文TheApplicationofAssociationRulesMininginLibraryResourcesConstructionDataminingistheprocessofextractingtheusefulknowledgeandrulesfromthehuge,incomplete,yawp,fuzzyandrandomdata.Ithasgotthemajorprogressandhasbeenappliedinmanyfields.Associationmlesminingisoneimportantre
2、searchareaofdatamining,itsgoalistodiscoveritemsetpatternknowledgewhichfrequentlyappearsfromgivenlargedatabases.Asthemaximalfrequentitemsetshaveimpliedallthefrequentitemsets,forthesamedatabase,thenumberofmaximalfrequentitemsetswhicharefoundisfarlessthanfrequentitemsetsinthesamemi
3、nimalsupport,thisgreatlyreducesthecost,SOwec柚convertfindingfrequentitemsetsintof'mdingmaximalfrequentitemsets.Astherapiddevelopmentofinformationandnetworktechnology,alotofdataaregeneratedinthecirculationofbooks,thesedataaregenerallyusedtodo.someregularbusinessstatisticsexceptfor
4、recordingthereaders。information,whilethepotentialvalueofthesedataisfarfrombeingfullexcavatedandused.Wec柚applythemethodofassociationrulesminingintheanalysisofbook-datatofindtheimplicitrulesinthereaders’borrowingbehavior,whichcanguidethedecisionofthelibrarydistributionandbookspurc
5、hasingandprovidetheserviceforreaders,andSOon.Firstly,thispapersummarizesthestatusofdatamining,thepresentsituationoftheconstructionoflibraryresourcesandthecurrentsituationofdataminingintheconstructionoflibraryresources.Thenthispaperintroducestheconcepts,processes,tasksandthedevel
6、opmenttrendsofdatamining,andthenitthoroughlystudiesthebasicconcepts,properties,thebasicstepsandthecommonalgorithmsofassociationrulesmining.Secondly,thispaperresearchesonhowtominemaximalfrequentitemsetsefficiently.OnthebasisofstudyingtherelevanttheoriesofFP—treeanditsconstructing
7、process,thispaperanalyzesthemoreclassicalgorithmDMHAofminingmaximalIll●上海海洋大学硕士学位论文frequentitemsetsbasedonFP-tree.Meanwhile,thispaperboldlyattemptstoUSenewmeansandideastoexplorethealgorithmofminingmaximalfrequentitemsetsofassociationrules,andtoproposeanewalgorithmDMFI—Bofminingm
8、aximalfrequent,itemsetsbased011FP·tree.Thepaper
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