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1、华南理工大学计算机科学与工程学院2004—2005学年度第一学期期末考试《数据挖掘与数据仓库技术》试卷专业：双语班年级：2001姓名：学号：注意事项：1.本试卷共四大题，满分100分，考试时间120分钟；2.所有答案请直接答在试卷上；题号一二三四总分得分一.Fillinthefollowingblanks.(1pointperblank,thetotal:20points)1.Adatawarehouseisa__________,__________,__________and__________colle
2、ctionofdatainsupportofmanagement’sdecisionmakingprocess.2.Themostpopulardatamodelforadatawarehouseisamultidimensionalmodel.Suchamodelcanexistintheformofa_____schema,a__________schema,ora__________schema.3.OLTPistheabbreviationfor____________________,andOLAP
3、istheabbreviationfor____________________.4.Measurescanbeorganizedintothefollowingthreecategories,basedonthekindofaggregatefunctionsused,__________,__________,and________.5.Methodsfordatapreprocessingcanbeorganizedintothefollowingcategories:__________,______
4、____,__________and__________.6.Listfourknowledgetypestobemined:__________,__________,__________and__________.二.TrueorFalse:ifyouthinkthefollowingstatementistruethenmarkitwithÖ,otherwisemarkitwith´.(1pointperdecision,thetotal:10points)1.Decisiontreeinduction
5、isanunsupervisedlearningmethod.()2.Clusteringisasupervisedlearningmethod.()3.TheOLTPsystemisoperationalprocessing-oriented,whiletheOLAPsystemisinformationalprocessing-oriented.()4.TheaccessoperationtotheOLTPsystemismostlyread/write,whiletheaccessoperationto
6、theOLAPsystemismostlyread.()5.Outlierandnoisydataareuselessfordataminingtaskandshouldberemoved.()6.ForanitemsetS,theconstraintSÍVisanti-monotone.()7.ForanitemsetS,theconstraintmin(S)³vismonotone.()8.Theaggregatefunctionsmin()andmax()aredistributive,wheremin
7、()isusedtoofficiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integratio
8、nofpublictransportservicesisnotyetestablished第5页共6页computetheminimumvalueofadatasetandmax()isusedtocomputethemaximumvalueofadataset.()1.Theaggregatefunctionavg()isholistic,whereavg()isusedtocomputethea
