北京财贸职业学院2012-2013学年55课件

ADECInteroperabilityTechnicalWorkingGroupReportFebruary12,2002

TomMcGlynnMembershipIRSA:BruceBerriman,JohnGoodeADC:KirkBorne,BrianThomasCXC:ArnoldRotsNED:JoeMazzerellaADS:GuentherEichhornMAST:TimKimballHEASARC:TomMcGlynnFebruary12,2002

TomMcGlynnCharterGoalThetoplevelgoalistoprovideseamless(onestopshopping)accesstoalltheNASAastrophysicscataloganddataservices,irrespectiveofwheretheinformationislocated.CharterRequirementsAllserviceswillbeaccessibleviastandardprotocolsAccesswillbeviatheexistinguserinterfacesResultswillappearconsistentwiththeinterfacethatinitiatedtherequestAttributionofdatatooriginalsitewillbeclearlystatedFebruary12,2002

TomMcGlynnSummaryofActivitiesTeleconsJanuary18,2002February8,2002StrawmandesignimplementationsTemporaryW/itwgFebruary12,2002

TomMcGlynnAreasofAgreementNogenericmandatesonuserinterfacesEachsiteusesresourcesdevelopedinthisefforttopresentinformationappropriatetoitsusers.LayeredapproachtoimplementationStage1:LinkstodataproductsandservicesStage2:‘Seamless’servicesStage3:??StandardizedpublicationofservicesMonitoringofVOactivitiesFebruary12,2002

TomMcGlynnTechnicalIssuesWhatkindsoflinksshouldbemade?Whatdowelinkto?Homepage,serviceforms,availabilitysummaries,queries,dataproductsHowdowemediatelinks?MetadataortablesFebruary12,2002

TomMcGlynnTechnicalIssuesWhatisthevocabularyoflinking?LinkingbycharacteristicLinksbyposition,time,objectnameOtherfields(exposure,observer,...)Tablelinks,e.g.,bibcodejoinsMetadatavocabularyImage/spectraresolution,…Wheredowegetmetadatainformationfrom?February12,2002

TomMcGlynnTechnicalIssuesFormatsformetadataandqueriesUsefulnessofexistingformatsUsefulnessofemergingstandardsRelationshiptononADECinstitutionsandefforts(CDS,VO)February12,2002

TomMcGlynnPhase1PlanDevelopvocabularyfordescriptionofdatacenterservices(includingaccesstodataproducts).Establishdesiredancillarymetadataforservices.Agreeonprotocolforpublicationofdescriptionofservices.Publishdescriptionsofservicesinagreedprotocol.Includelinkstodescribedservices/datainuserinterfaces.February12,2002

TomMcGlynnEstablishAncillaryMetadataWhydowelink?TypeofinformationreturnedProductsummary,catalog,image,spectra,homepage,…WavelengthregimeOptionalmetadataResolution,epochrange,volumeestimators,‘desirability’,...Dependencies/linkagestootherservicesFebruary12,2002

TomMcGlynnPublicationProtocolAnswerhowandwhyquestionsMayusestaticproductdescriptorwebpagesateachsiteFixedlocationforeachsiteTBDXML?FormatRoleofGLU--ifany.TransitiontoUDDI/WSDLlater?February12,2002

TomMcGlynnPublishServiceDescriptionsMultiplelevelsofdescriptionSiteDataavailabilitysummariesservicedataentryserviceresultsdataproducts.MostpopularservicesfirstFebruary12,2002

TomMcGlynnScheduleIssuesDependentonresourcesallocatedEffortuncertainbutanticipatedat~afewperson-monthsperinstitutionRiskofimpactonotheractivitiesCoordinationofdiffuseresourcesisdifficultFebruary12,2002

TomMcGlynnScheduleforPhase1SixmonthstooneyearDevelopmentofmetadataInitialvocabularyandancillarymetadatadesignAgreementonpublicationformatPublicationofservicesPublicationofpopularservicesUpdatestovocabularyandancillarymetadataIntegrationwithinexistinginterfacesIntegrationwithinuserinterfacesAdditionalservicedescriptionsFebruary12,2002

TomMcGlynnPhase2ideasMore‘seamless’integrationofsystems.Useofremoteservicesas‘databaseservers’.Adoptionofcommonmachinereadableformatforresults.CoordinationwithVOactivitiesUseofWebasdistributedfordataproductsFebruary12,2002

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