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ID:36426911
大小:6.83 MB
页数:87页
时间:2019-05-10
《点击流数据仓库在智能导学系统中的应用研究》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、东北师范大学硕士学位论文点击流数据仓库在智能导学系统中的应用研究姓名:陆琦申请学位级别:硕士专业:计算机软件与理论指导教师:潘伟20090501AbstractIntelligentTutoringSystem(ITS)isanewstageinthedevelopmentofmodemdistanceeducationtotheintelligent,whichisallimportantareaofresearchineducationaltechnology.Byme锄_sofartific
2、ialintelligencetechnology,ITSisallowingthecomputertoplaytheroleofteachersintheimplementationofindividualizedteachingtodifferentneeds,differentcharacteristicsoflearnerstoimpartknowledge,provideguidanceontheteachingprocess,howeveLtheexistingITSsystemsha
3、veitsundeniabledefectsandshortcomings,whichareurgentneedtoimprove.Ontheotherhand,鹊theresultofthedecision-makingisdifferentfromthepaStwhendealing埘tlltheneedsoftransactionprocessing,theefficiencyofdataanalysisofthetraditionaldatabasetechnologyislower.Th
4、etraditionaldatabasetechnologyWaSdifficulttoconvertdataintoinformationanddifficulttomeetthesenewdemands,whichledtotheemergenceofthedatawarehousetechnology.Thedatawarehousesystem,byusingasasupplementarytooltoDecision·makingSupportSystem(DSS),istheresul
5、tofalong·termresearchanddevelopmentofthedatabasetechnology.Click-streamdatawarehousecouldbesaidtobethemostexcitingnewdevelopmentofthedatabaSetechnology,whichcombiningthestrengthsofthetwopopulartechnologies-WebandDataWarehousetechnology.Aswe’veseen,ane
6、wdesignideaintheITShasbeenprovedthatisaClick—streamDataWarehousebasedITSdesignidea.ByusingtheClick-streamDataWarehousetechnology,thesystemcouldrealizethesolutionoftracingthelearners’studyingbehaviorandprovidingastrongdatasupportinginusingthetechniques
7、ofdatamining,webminingtoanalyzethelearners’personalityandcommonrules.Furthermore,itproposedadecision-makinglearningschemebytheintelligentanalysismethod;alsoitprovideshelpingforthestudentsinindividualself-studying,andformedamodemcomputer-baseddistance—
8、learningchannel.ByutilizingtheexistingLearnerInformationDatabase,EducationResourceInformationDatabaseandClickstreamdatainthesystem,itconstructedasystemevaluationstandard—baseddatawarehousefacttableanddimensiontable;Also,thissolutionimprovesthe
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