基于OAI_PMH和复杂对象格式的资源收割机制探讨

OAI2PMH(100084)OAI2PMH,,OAI2PMHOAI2PMHG250.76TheExplorationaboutResourceHarvestingMechanismBasedonOAI2PMHandComplexObjectFormatZengTingZhangChengyu(LibraryofTsinghuaUniversity,Beijing100084,China)AbstractFirst,weintroduceproblemsongatheringdigitalresourcesusingmetadataharvestedthroughtheOAI2PMH.Next,weanalyzecomplexobjectformat.ThenwediscussresourceharvestingmechanismbasedonOAI2PMHandcomplexobjectformatanditsapplication.KeywordsResourceharvestingOAI2PMHMetadataformatComplexobjectformat:2005-07-11:2005-07-281OAI2PMH1.1OAI2PMH[1]OAI2PMH(OpenArchiveInitiativeforProtocolMetada2taHarvesting),OAI,:,(Repository),,OAI2PMHHTTP,HTTP,httpget/post,http/HTTPOAI2PMH,OAI2PMH,6,,1OAI2PMH6httpget/post,,XML,OAIDC15,1OAI2PMHIdentifyListIdentifiersFrom:()Until:()Set:,setResumptionToken:,,,()ListMetadat2aFormatsIdentifier:GetRecordidentifier:metadataPrefix:ListRecordsFrom:()Until:()Set:,setResumptionToken:,,MetadaPrefix:ListSetsResumptionToken:,,set1.2OAI2PMHOAI2PMH,,OAI2PMH,DC41200511130,OAI2PMH,:(1)OAI2PMHOAI2PMHDC;(2)DC,dc.identifier;(3)OAI2PMH:(1)dc.identifier,;(2)OAI2PMH,,,,DC,DC[2],OAI2PMH,,,OAI2PMH,,,,,OAI2PMH,OAI2PMHOAI2PMH,,OAI2PMH,,OAI2PMH[3]OAI2PMH,,DC,,METSMPEG-21DIDLOEBPSSCORM,OAI2PMH2Warwick2.1WarwickFramework[4],Cornell1996Warwick,War2wick,Warwick:,,,:Warwick(WFC)WFCWFC,,Warwick,,WarwickWarwick1Warwick1Warwick2.2METS()[5]METSXML,22METS,,,,51200511130,METS,METS,,2.3MPEG221DIDL[6]MPEG221DIDLXML,,,,,;,;,,,,,OEBPS[7]SCORM,2.4,METSMPEG221DIDLOEBPSSCORM,,Warwick,,:(1)XML,XML,,(2),(3)(),()(4),,,MPEG221DIDLMPEG221DII,OEBPSDOI,METSSCORM,,METSMPEG221DIDL,OEBPSSCORM,3OAI2PMH3.1OAI2PMH,OAI2PMHOAI2PMH,?,METSMPEG221DIDLOEBPSSCORM,,METS()3.2OAI2PMH3OAI2PMH3OAI2PMH,,,OAI2PMH,,OAI2PMHOAI2PMH,,OAI2PMH,,DC,DC;MARCMARC;METSMPEG-21DIDL,,,,[2]61200511130,OAI2PMH()OAIXML,()OAI2PMH(METSMPEG-21DIDL),METSMPEG-21DIDLXML,OAI2PMH:(1)OAI2PMHListMetadataFormatsOAI2PMH(2),OAI2PMHOAI2PMH(3):(4)OAI2PMH,3.3OAI2PMH[2]:(1)XML,OAI2PMH(2),(3)OAI2PMH,OAI2PMH,,,,,OAI2PMH,XML,,XML,,OAI2PMH,,OAI2PMH,(4),(5)(),(6)OAI2PMH,,SetAbout()3.4,,,,,,OAI2PMH,,(),,,,,4OAI2PMH,4.1OAI2PMHMETS(1)CALIS[7]CALIS,OAI2PMH,CALISMETSOAI2PMH,,OAIMETSMETSOAIMetaID,(CALIS-OID),CALIS(MessageQueue)71200511130,METSMETS,OAI2PMH,CALISMETSOAI2PMH,,(2)HPHP(TheChinaDigitalMuseumProject),Dspace,OAI2PMHMETS,(3)DspaceFedoraDspaceMETS,FedoraMETS,OAIMETSOAI2PMH,4.2OAI2PMHMPEG221DIDL(1)LANLRepository[8]LANL,MPEG-21DIDL,AIP(OAIS),OAI2PMHLis2tRecords/set,GetRecordAIP20046,LANLRepository30,000,000AIPOAI2PMHOCLCOAICatOAIHarvesterOAIViewer(2)LANLAPS[9]LANL,APS,,LANLAPS,APSOAI2PMHMPEG-21DIDL/DII,W3CXMLAPS,OAI2PMHAPSOAI2PMH,APSDIDLXMLOAI2PMH,LANLAPS,OAI2PMHAPS,OAI2PMHAPS(3)DspaceFedora[2]LANLDspace,DspaceDspaceOAI2PMHMPEG-21DIDLXML,DspaceDspace,Fedora(4)mod_oai[2]mod_oaiMellonOldDominionLANL,Apache,mod_oai,WebOAI2PMH,mod_oaiOAI2PMH3:DC,filesizeMIMEtype;http_header,http;oai_didl,MPEG-21DIDL,http_headermod_oai,ListIdentifiersURL,ListRecordsoai_didl5OAI2PMH,OAI2PMH,OAI2PMH,OAI2PMH,OAI2PMH,(),,OAI2PMH,,,(23)81200511130,,,,,3.4,,,,884,,;DTDSchema;;;XMLXSLFTP,,,(MELINETS),:1..,2004(7)2DublinCoreMetadataInitiative.(AccessedJan.8,2004)3.XML.,2004(5):1-7(E-mail:[e-mail])(18),,:1C.LagozeandH.VandeSompel.TheOpenArchivesInitiative:Buildingalow-barrierinteroperabilityframework.InProceedingsoftheACM/IEEEJointConferenceonDigitalLibrary,page54-62,RoanokeVA,20012VandeSompel,H.,Nelson,M.L.,Lagoze,C.,&Warner,S.ResourceHarvestingwithintheOAI2PMHFramework.(Ac2cessedJul.30,2005)3VandeSompel,Herbert,JeffYoungandThomHickey.UsingtheOAI2PMH...Differently.(AccessedJul.30,2005)4CarlLagoze.TheWarwickFramework.AContainerArchitectureforDiverseSetsofMetadata.(AccessedJul.30,2005)5METS:AnOverview&Tutorial,(AccessedJul.30,2005)6MPEG-21Overviewv.5.(AccessedJul.30,2005)7.OEBPS.,2003(4):24-268..2004109Bekaert,Jeroen,PatrickHochstenbach,andHerbertVandeSompel.UsingMPEG-21DIDLtoRepresentComplexDigitalObjectsintheLosAlamosNationalLaboratoryDigitalLibrary.(AccessedJul.30,2005)10Bekaert,Jeroen,andHerbertVandeSompel.AStandards-basedSolutionfortheAccurateTransferofDigitalAssets.(AccessedJul.30,2005)(E-mail:[e-mail])32200511130