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1、華南理工大學計算機科學與工程學院2004—2005學年度第一學期期末考試《數(shù)據(jù)挖掘與數(shù)據(jù)倉庫技術(shù)》試卷專業(yè):雙語班年級:2001姓名:學號:注意事項:1.本試卷共四大題,滿分100分,考試時間120分鐘;2.所有答案請直接答在試卷上;題號一二三四總分得分一.Fillinthefollowingblanks.(1pointperblank,thetotal:20points)1.Adatawarehouseisa__________,__________,__________and__________collectionofdatainsupportofmana
2、gement’sdecisionmakingprocess.2.Themostpopulardatamodelforadatawarehouseisamultidimensionalmodel.Suchamodelcanexistintheformofa_____schema,a__________schema,ora__________schema.3.OLTPistheabbreviationfor____________________,andOLAPistheabbreviationfor____________________.4.Measuresc
3、anbeorganizedintothefollowingthreecategories,basedonthekindofaggregatefunctionsused,__________,__________,and________.5.Methodsfordatapreprocessingcanbeorganizedintothefollowingcategories:__________,__________,__________and__________.6.Listfourknowledgetypestobemined:__________,____
4、______,__________and__________.二.TrueorFalse:ifyouthinkthefollowingstatementistruethenmarkitwith?,otherwisemarkitwith′.(1pointperdecision,thetotal:10points)1.Decisiontreeinductionisanunsupervisedlearningmethod.()2.Clusteringisasupervisedlearningmethod.()3.TheOLTPsystemisoperationalp
5、rocessing-oriented,whiletheOLAPsystemisinformationalprocessing-oriented.()4.TheaccessoperationtotheOLTPsystemismostlyread/write,whiletheaccessoperationtotheOLAPsystemismostlyread.()5.Outlierandnoisydataareuselessfordataminingtaskandshouldberemoved.()6.ForanitemsetS,theconstraintSíVi
6、santi-monotone.()7.ForanitemsetS,theconstraintmin(S)3vismonotone.()8.Theaggregatefunctionsmin()andmax()aredistributive,wheremin()isusedtoconstructionqualityacceptanceandassessmentRegulation(ProfessionalEdition)(DL/T5210.2-2009~DL/T5210.8-2009);1.9thequalitycheckoutandevaluationofele
7、ctricequipmentinstallationengineeringcode(DL/T5161.1-2002~5161.17-2002);1.10thenormsofconstructionsupervision,theelectricpowerconstructionsupervisionregulations第5頁共6頁computetheminimumvalueofadatasetandmax()isusedtocomputethemaximumvalueofadataset.()1.Theaggregatefunctionavg()isholis
8、tic,whereavg()isuse