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ID:33328188
大小:16.38 MB
页数:70页
时间:2019-02-24
《基于.hadoop的精品课程云平台的研究与实现》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、江苏大学硕士研究生毕业论文AbstractTherapiddevelopmentofcomputertechnology,wirelesscommunicationtechnologyandmultimediahaschangingpeople’Slivesandwork,alsoquietlychangingpeople’Swayofleamingforknowledge.AsthematurityandwidelyusedofMobileInternettechnology,theconstructionofexcellentcour
2、sesplatformadaptedformobilelearninghasbecomeahotresearchfieldofonlineteaching.Inordertosolvetheproblemssuchaslowresourceutilization.pooruserexperienceandSOforthintraditionalqualitycourseswebsites,adesignproposal,basedoncloudcomputingplatform,isputforward.Themainresearchco
3、ntentsinthispaperasfollows:(1)Analyzetheshortcomingsoftraditionalqualitycoursessystem,andproposeasolutionbasedonHadoopandRDBMScombined、析tllthecharacteristicsofmobilelearning.Atthesametime,fragmentdataCanbestoredreliablerelyondistributedfilestoragetechnology.What’Smore,wec
4、anissuesomeoperationssuchasqueryandupdatequicklyonthisstructureddataresideinrelationaldatabasesystem.(2)Atfirst,wedevisedthedatamodelofthewholesystembymeansofclassifyingtheseveralofteachingresourcesinthisplatform.Then,madedeepresearchonthedatastoragemodel,storagemechanism
5、andretrievalmethodofmassivedata.(3)Accordingtotheuser’Sregistrationinformation,wecanobtainthestaticpropertiesoftheusermodel,thengetdynamicpropertiesfromhistoryinformationbasedonmodulesofonlineassessment,coursewaredownloadandSOforth.Atlast,aspeciallearningreal—timeuserinte
6、restmodelwillbebuiltafterintegratingthestaticanddynamicpropertiestoldabove.Accordingtothisuserinterestmodel,wethenconstructedthepushmodelwhichimprovestheaccuracyofresults.(4)Inordertorecommendthehotresourcestoend-usersinthisexquisitecoursessystem,theMapReduceparallelprogr
7、ammingframeworkwasusedtoanalyzethemassiveuserlogtoextractthehottestresources.(5)Theuserclickmodelbasedonaccesstimewasestablishedbasedonthe江苏大学硕士研究生毕业论文analysisOilclickbehavior.Wi廿1thisclickmodel.wecanimprovetheaccuracyofresults.Keywords:exquisitecourses,Hadoop,pushmodel,c
8、lickmodelV江苏大学硕士研究生毕业论文目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.11.1课题研究的背景与意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
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