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【英文标准名称】:StandardPracticeforMetadatatoSupportArchivedDataManagementSystems
【原文标准名称】:支持存档数据管理系统的元数据标准实施规程
【标准号】:ASTME2468-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E17.54
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:条件;数据管理;数据系统;管理系统;元数据
【英文主题词】:archiveddata;archiveddatamanagementsystem;datasetdocumentation;metadata
【摘要】:1.1Thisstandardpracticedescribesahierarchicaloutlineofsectionsandelementstobeusedindevelopingmetadatatosupportarchiveddatamanagementsystems.Specifically,thestandardestablishesthenamesofmetadataelementsandcompoundelementstobeusedinthemetadata,thedefinitionsofthesemetadataelementsandcompoundelements,andsuggestedinformationaboutandexamplesofthevaluesthataretobeprovidedforthemetadataelements.1.2Themetadatatobedevelopedusingthisstandardincludesqualitativeandquantitativedatathatisassociatedwithaninformationsystemorinformationobjectforthepurposesofdescription,administration,legalrequirements,technicalfunctionality,useandusage,andpreservation.Assuch,itcanbedifferentiatedfromothermetadatainthatitdescribesandprovidesaninterpretationofanorganizedcollectionofdata,notasingledataelement.1.3Thisstandardisintendedforusebythosedeveloping,managing,ormaintaininganarchiveddatamanagementsystem.Forexample,publicagenciescanspecifythatthisstandardbeusedinthedevelopmentofametadataframeworkfordataarchives.Datacollectorsanddataprocessingintermediariesmayalsousethisstandardtocreatemetadatadescribingtheoriginalcollectionconditionsandintermediateprocessingsteps.Thedevelopmentofmetadatabydatacollectorsanddataprocessingintermediariescangreatlyassistinthedevelopmentofcomprehensivemetadatabythedataarchivemanager.Thestandardisintendedforusebyalllevelsofgovernmentandtheprivatesector.1.4Thisstandardisapplicabletovarioustypesofoperationaldatacollectedbyintelligenttransportationsystems(ITS)andstoredinanarchiveddatamanagementsystem.Similarly,thestandardcanalsobeusedwithothertypesofhistoricaltrafficandtransportationdatacollectedandstoredinanarchiveddatamanagementsystem.1.5Thisstandarddoesnotspecifythemeansbywhichmetadataistobeorganizedinacomputersystemorinadatatransfer,northemeansbywhichmetadataistobetransmitted,communicated,orpresentedtotheuser.Additionally,thestandardisnotintendedtoreflectorimplyaspecificimplementationdesign.Animplementationdesignrequiresadaptingthestructureandformofthestandardtomeetspecificapplicationandenvironmentrequirements.1.6ThisstandardadoptswithminimalchangestheFederalGeographicDataCommittees(FGDCs)existingContentStandardforDigitalGeospatialMetadata(FGDC-STD-001-1998)astherecommendedmetadataframeworkforarchiveddatamanagementsystems.TheFGDCmetadatastandardwaschosenastheframeworkbecauseofitsrelevanceandestablishedreputationamongthespatialdatacommunity.AbenefitofusingtheFGDCstandardisthewidespreadavailabilityofinformationalresourcesandsoftwaretoolstocreate,validate,andmanagemetadata(seehttp://www.fgdc.gov/metadata/links/metalinks.html).CommentaryandseveralexamplesareprovidedinthisstandardtoillustratetheuseoftheFGDCstandardintheITSdomain.Thedetailofthestandardmayappearintimidating,buttheexamplesintheAppendixillustratetherelativesimplicityofthestandardwhenimplemented.1.7Usersofthisstandardshouldnotethatseveralsectionsofthemetadatastandard(thatis,)addressspatialreferencingdocumentation,whichmaynotbeapplicabletoalldataarchives.Thesespatialreferencingsectionsaredesignatedasmandatory-if-applicable,whichmeansthatmetadataisnotrequiredforthesesectionsifspatialreferencingisnotused.,DistributionInformation,isalsodesignatedasmandatory-if-applicableandthusmaynotberequired.
【中国标准分类号】:A14
【国际标准分类号】:35_240_30
【页数】:64P.;A4
【正文语种】:


【英文标准名称】:CollectingBenthicMacroinvertebrateswithShipek(Scoop)GrabSampler
【原文标准名称】:用锡皮克(铲斗)抓斗采样器采集底栖大型无脊椎动物
【标准号】:ASTMD4347-1984
【标准状态】:作废
【国别】:美国
【发布日期】:1984
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:工艺;资源回收;抽样方法;无脊椎动物;污染控制
【英文主题词】:pollutioncontrol;resourcerecovery;samplingmethods;invertebrates;processes
【摘要】:
【中国标准分类号】:B50
【国际标准分类号】:07_080
【页数】:1P;A4
【正文语种】:英语