北京财贸职业学院2012—2013学年.ppt

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1、ADECInteroperabilityTechnicalWorkingGroupReportFebruary12,2002TomMcGlynnMembershipIRSA:BruceBerriman,JohnGoodeADC:KirkBorne,BrianThomasCXC:ArnoldRotsNED:JoeMazzerellaADS:GuentherEichhornMAST:TimKimballHEASARC:TomMcGlynnCharterGoalThetoplevelgoalistoprovideseamless(onestopshopping)accesstoalltheNA

2、SAastrophysicscataloganddataservices,irrespectiveofwheretheinformationislocated.CharterRequirementsAllserviceswillbeaccessibleviastandardprotocolsAccesswillbeviatheexistinguserinterfacesResultswillappearconsistentwiththeinterfacethatinitiatedtherequestAttributionofdatatooriginalsitewillbeclearlys

3、tatedCurrentInteroperatingServicesManyinteroperatingservicesarealreadyinplaceatADECsites.E.g.,ADClinkstoHEASARC,IRSAandMASTarchivesADSlinkstoalldatasetsassociatedwithagivenbibcode.HEASARClinkstoCXCandMASTdataandprovidesaccesstoallVizieRtables.IRSAsuiteofremotelyaccessiblecataloganddataservicesMAS

4、TprovidestransparentaccesstoHEASARCROSATandEUVEarchivesNEDlinkstomultipleADEC/non-ADECdatasourcesformanyobjects.NEDnameresolverusedmanyplaces.AstrobrowseservicesatCXC,MASTandHEASARC.NogeneralframeworkforinteroperationsLimitedcapabilitiesIncompleteness/inconsistencyResourcediscoveryisdifficultFrag

5、ilelinksSummaryofActivitiesTeleconsJanuary18,2002February8,2002StrawmandesignimplementationsTemporaryWebsiteheasarc.gsfc.nasa.gov/itwgAreasofAgreementNogenericmandatesonuserinterfacesEachsiteusesresourcesdevelopedinthisefforttopresentinformationappropriatetoitsusers.Layeredapproachtoimplementatio

6、nStage1:LinkstodataproductsandservicesStage2:‘Seamless’servicesStage3:??StandardizedpublicationofservicesMonitoringofVOactivitiesTechnicalIssuesWhatkindsoflinksshouldbemade?Whatdowelinkto?Homepage,serviceforms,availabilitysummaries,queries,dataproductsHowdowemediatelinks?MetadataortablesTechnical

7、IssuesHowarelinks/servicespublished?MachineversushumanreadableDynamicdatabaseorstaticpagesSyntax/standardtobeusedHowfrequentlyupdatedHowismetadataaboutlinkincludedTechnicalIssuesWhatisthevocabularyoflinking?Linkingbych