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1、華南理工大學(xué)計算機(jī)科學(xué)與工程學(xué)院2004—2005學(xué)年度第一學(xué)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(xué)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__________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:ifyouthinkthefollowingstatementistruethenmarkitwith?,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頁共6頁computetheminimumvalueofadatasetandmax()isusedtocomputethemaximumvalueofadataset.()1.Theaggregatefunctionavg()isholistic,whereavg()isusedtocomputethea
