Identifying Metadata Elements with URIs: The CORES Resolution

摘要

On18November2002,atameetingorganisedbytheCORESProject(InformationSocietyTechnologiesProgramme,EuropeanUnion),severalorganisationsregardedasmaintenanceauthoritiesformetadataelementsachievedconsensusonaresolutiontoassignUniformResourceIdentifiers(URIs)tometadataelementsasausefulfirststeptowardsthedevelopmentofmappinginfrastructuresandinteroperabilityservices.ThesignatoriesoftheCORESResolutionagreedtopromotethisconsensusintheircommunitiesandbeyondandtoimplementanactionplaninthefollowingsixmonths.Sixmonthshavingpassed,themaintainersofGILS,ONIX,MARC21,CERIF,DOI,IEEE/LOM,andDublinCorereportontheirimplementationsoftheresolutionandhighlightissuesofrelevancetoestablishinggood-practiceconventionsfordeclaring,identifying,andmaintainingmetadataelementsmoregenerally.InJune2003,theresolutionwasalsoendorsedbythemaintainersofUNIMARC.IntroductionThe"ResolutiononMetadataElementIdentifiers",orCORESResolution,isanagreementamongthemaintenanceorganisationsforseveralmajormetadatastandards#151;GILS,ONIX,MARC21,UNIMARC,CERIF,DOI#174;,IEEE/LOM,andDublinCore#151;toidentifytheirmetadataelementsusingUniformResourceIdentifiers(URIs)[CORES-RESOLUTION].TheUniformResourceIdentifier,definedintheIETFRFC2396as"acompactstringofcharactersforidentifyinganabstractorphysicalresource",hasbeenpromotedforuseasauniversalformofidentificationbytheWorldWideWebConsortium[URI,BERNERS-LEE].TheCORESResolution,formulatedatameetingorganisedbytheEuropeanprojectCORESinNovember2002,includedacommitmenttopublicisetheconsensusstatementtoawideraudienceofmetadatastandardsinitiativesandtoimplementkeypointsoftheagreementwithinthefollowingsixmonths#151;specifically,todefineURIassignmentmechanisms,assignURIstoelements,andformulatepoliciesforthepersistenceofthoseURIs.Thisarticlemarksthepassageofsixmonthsbyreportingonprogressmadeinimplementingthiscommonactionplan.AfterpresentingthetextoftheCORESResolutionanditsthree"clarifications",thearticlesummarisesthepositionofeachsignatoryorganisationtowardsassigningURIstoitsmetadataelements,notinganypracticalorstrategicproblemsthatmayhaveemerged.TheseprogressreportswerebasedoninputfromThomasBaker,Jos#233;Borbinha,EliotChristian,ErikDuval,KeithJeffery,RebeccaGuenther,andNormanPaskin.Thearticlecloseswithafewgeneralobservationsaboutthesefirststepstowardstheclarificationofsharedconventionsfortheidentificationofmetadataelementsandperhaps,onecanhope,towardstheultimategoalofimprovinginteroperabilityamongadiversityofmetadatacommunities.1.TheCORES"ResolutiononMetadataElementIdentifiers"Whereas:ourmetadatastandardshave"elements"#151;unitsofmeaningcomparableandmappabletoelementsofotherstandards,Weagree:toassignUniformResourceIdentifierstoourelements;toarticulateandpublishspecificpoliciesregardingthestability,persistence,andmaintenanceoftheURIsassignedtotheelements.ClarificationsThisresolutionpromotestheuseofURIsforidentifyingmetadataelements.However,thereisnoexpectationthattheseURIswillbeusedtorepresentthoseelementswithinparticularapplicationenvironments#151;e.g.,toincludethemininstancemetadatarecordsorusetheminSQLqueries.Rather,theintentistoofferacommoncitationmechanismusable,whenneeded,forpurposesofinteroperabilityacrossstandards.Whiletheresolutionfocusesontheidentificationofindividualmetadataelements,URIsshouldalsobeusedtoidentifyotherrelevantentitiesatvariouslevelsofgranularity,suchassetsofelements(schemas)andthetermsandsetsofcontrolledvocabulariesofmetadatavalues.DecidingwhichofitsownentitiesareimportantorsalientenoughtobeassignedURIsistheprerogativeofaparticularStandards-DevelopingOrganization.ThisresolutionspecifiestheuseofURIsasidentifierswithnorequirementorexpectationthatthoseURIswillreferenceanythingontheWorldWideWeb,suchasdocumentationpagesormachine-understandablerepresentationsofmetadataelements[CORES-RESOLUTION].2.GILSTheGlobalInformationLocatorService(GILS)standardisasimplifiedprofileoftheinternationalstandardfornetworkedsearch,ISO23950(alsoknownasANSI/NISOZ39.50[GILS,Z39-50]).AGILS-compliantservermapslocaldataelementstowell-knownbibliographicconcepts.Thissemanticmappingachievesbroadinteroperabilityofsearchacrossallmannerofdataandinformation.InadditionaGILS-compliantservermust,onrequest,convertlocalstructureddataintooneoranothercanonicalformusingaspecificschema.RetrievalrecordsgeneratedwiththisGILSschemaareknownas"locatorrecords"andaredesignedtohelpsearchcatalogs,directories,andothertypesofmetadata.

机译：On18November2002，atameetingorganisedbytheCORESProject（InformationSocietyTechnologiesProgramme，欧洲联盟），severalorganisationsregardedasmaintenanceauthoritiesformetadataelementsachievedconsensusonaresolutiontoassignUniformResourceIdentifiers（URI）来tometadataelementsasausefulfirststeptowardsthedevelopmentofmappinginfrastructuresandinteroperabilityservices.ThesignatoriesoftheCORESResolutionagreedtopromotethisconsensusintheircommunitiesandbeyondandtoimplementanactionplaninthefollowingsixmonths.Sixmonthshavingpassed，themaintainersofGILS，ONIX MARC21，CERIF，DOI，IEEE / LOM，andDublinCorereportontheirimplementationsoftheresolutionandhighlightissuesofrelevancetoestablishinggood-practiceconventionsfordeclaring，识别，andmaintainingmetadataelementsmoregenerally.InJune2003，theresolutionwasalsoendorsedbythemaintainersofUNIMARC.IntroductionThe “ResolutiononMetadataElementIdentifiers”，或CORES决议，是维护组织针对多个主要元数据标准＃151达成的协议; GILS，ONIX，MARC2 1，UNIMARC，CERIF，DOI＃174;，IEEE / LOM，andDublinCore＃151; toidentifytheirmetadataelementsusingUniformResourceIdentifiers（URI）来[CORES-RESOLUTION] .TheUniformResourceIdentifier，definedintheIETFRFC2396as “acompactstringofcharactersforidentifyinganabstractorphysicalresource”，hasbeenpromotedforuseasauniversalformofidentificationbytheWorldWideWebConsortium [URI，BERNERS-LEE] .TheCORESResolution，formulatedatameetingorganisedbytheEuropeanprojectCORESinNovember2002，includedacommitmenttopublicisetheconsensusstatementtoawideraudienceofmetadatastandardsinitiativesandtoimplementkeypointsoftheagreementwithinthefollowingsixmonths ＃151;专门用于定义URI分配机制，分配URI存储并制定这些URI持久性的策略。此文章通过报告在实施此通用计划的过程中进行报告，标志了六个月的通过。 tinganypracticalorstrategicproblemsthatmayhaveemerged.TheseprogressreportswerebasedoninputfromThomasBaker，乔斯＃233; Borbinha，EliotChristian，ErikDuval，KeithJeffery，RebeccaGuenther，andNormanPaskin.Thearticlecloseswithafewgeneralobservationsaboutthesefirststepstowardstheclarificationofsharedconventionsfortheidentificationofmetadataelementsandperhaps，onecanhope，towardstheultimategoalofimprovinginteroperabilityamongadiversityofmetadatacommunities.1.TheCORES “ResolutiononMetadataElementIdentifiers” 鉴于：ourmetadatastandardshave “元素” ＃151; unitsofmeaningcomparableandmappabletoelementsofotherstandards，Weagree：toassignUniformResourceIdentifierstoourelements; toarticulateandpublishspecificpoliciesregardingthestability，持久性澄清此决议促进了使用URI来识别元数据。然而，没有人希望使用这些URI来代表带有特定应用环境＃151的元素;例如，包括最小的元素。 cemetadatarecordsorusetheminSQLqueries.Rather，theintentistoofferacommoncitationmechanismusable，whenneeded，forpurposesofinteroperabilityacrossstandards.Whiletheresolutionfocusesontheidentificationofindividualmetadataelements，URIsshouldalsobeusedtoidentifyotherrelevantentitiesatvariouslevelsofgranularity，suchassetsofelements（模式）andthetermsandsetsofcontrolledvocabulariesofmetadatavalues.DecidingwhichofitsownentitiesareimportantorsalientenoughtobeassignedURIsistheprerogativeofaparticularStandards-DevelopingOrganization.ThisresolutionspecifiestheuseofURIsasidentifierswithnorequirementorexpectationthatthoseURIswillreferenceanythingontheWorldWideWeb，suchasdocumentationpagesormachine-understandablerepresentationsofmetadataelements [CORES-RESOLUTION] .2.GILSTheGlobalInformationLocatorService（GILS）standardisasimplifiedprofileoftheinternationalstandardfornetworkedsearch，ISO23950（alsoknownasANSI / NISOZ39.50 [GILS，Z39-50]）。符合AGILS的服务器将本地数据元素映射到众所周知的书目概念这种语义映射可以实现广泛的数据和信息交互性。另外，必须根据要求，将符合GILS的服务器转换为本地结构化数据，或者使用特定模式将其转换为另一种规范形式。将这种基于GILS的生成的记录转换为“定位记录”，并重新设计目录以帮助搜索。

Identifying Metadata Elements with URIs: The CORES Resolution

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