分布式学习系统软件建模方法研究

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1、摘要3ModelingMethodsforDistributedLearningSystemAbstractWiththefurtherdevelopmentoftheInteracttechnology’Sapplicationineducation，thescopeandcomplexityoftheinformationlearningresourcesandlearningsystemhavebeenincreasingandthetechnologicalmeans，designingideasandsystemarchitectur

2、ehaveallundergoneprofoundchanges，withtheweb—basedlearningsystemdevelopingtowardsthedirectionsofdistribution，cooperationandintelligization．Ontheonehand，byvirtueoftheintemettechnology,thescopeoflearningsystemsisincreasinglyexpandedanddisplaysadistinctivecharacteristicsofdistri

3、butedstructure．Ontheotherhand，itisalsohopedthatthesedistributedlearningresourcesandsystemscanbeshareable，reusableandinteroperableField．researchershavemadebroadandprofoundresearchesintotheincreasinglycomplicateddistributedlearningsystemsfromvariouspointsofview．TheinstituteofA

4、DL(AdvancedDistributedLearning)proposesfortheperspectiveofresourcea“ShareableContentObjectReferenceModel”(knownasSCORM)，aimingatsolvingtheproblemsoftheshareabilityofthelearningcontent，interoperability,coordinationinalargerscope，andintelligentguideofthedistributedlearning．The

5、learningtechnologystandardresearchorganizationssuchastheISOSC36，IEEELTSC，IMSGlobalLearningConsortiumhave，fromtheperspectivesofthesystemstructure，thelearner,learningresourcesandlearningmanagementsystem，broughtforthaseriesofinformationmodelsandspecificationsasthereferenceforth

6、edevelopmentofdistributedlearningsystem，Nevertheless．thereisstillnoreliabletheoreticalmodelforconstructingonthelevelofmethodologytheseincreasinglycomplicateddistributedlearningsystemsThemainstreamofcontemporarysoftwareengineeringtechnologyisinfavorofthemodel—drivenmethodsinc

7、onstructingsoftwaresystems．4摘要Therefore，itisofgreatsignificanceandwithgreatapplicationvaluetoconstruct，fromtheperspectiveofthecombinationofinstructionalsystemdesignwithsoftwaresystemdesign，asetofmodelingmethodsforthedesignofdistributedlearningsystemtorealizeitssoftwaremodeli

8、ng，SOastosupportitseffectivedevelopment．Inthemeantime，itcallalsogreatlyenri