Data Discovery (DIF)

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Revision as of 17:41, October 6, 2016 by Hdfscript (talk | contribs) (<div id="DIF_Discovery-HighlyRecommended"> updated)

The Directory Interchange Format (DIF) is a NASA metadata format used to create directory entries that describe scientific data sets. he spirals below provide required and highly recommended attributes for NASA's Directory Interchange Format (DIF). Where compatible the spirals provide xpath references for DIF, ECHO, ECS, DCAT, ISO, ISO-1 and FGDC documentation dialects.

DIF for Data Discovery - Required

The Directory Interchange Format (DIF) is a NASA metadata format used to create directory entries that describe scientific data sets. The attributes in the spiral below are required by the DIF standard. Additonal documentation is available via the following online references:

Source: Interactive Write a DIF Guide DIF standard specification
ConceptDescriptionDialect (Fit) Paths
Metadata IdentifierA phrase or string which uniquely identifies the metadata file/record.DIF /dif:DIF/dif:Entry_ID
ISO /*/gmd:fileIdentifier/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:metadataIdentifier/mcc:MD_Identifier
SERF /serf:SERF/serf:Entry_ID
Resource TitleA short description of the resource. The title should be descriptive enough so that when a user is presented with a list of titles the general content of the data set can be determined.ADIwg /adiwg:project/adiwg:idinfo/adiwg:citation/adiwg:citeinfo/adiwg:title
DIF /dif:DIF/dif:Entry_Title
DIF /dif:DIF/dif:Data_Set_Citation/dif:Dataset_Title
DCAT /dct:title
Dryad dcterms:title
ECHO /*/echo:ShortName | /*/echo:LongName
ECHO /*/echo:DataSetId
ECS /*/ecs:ShortName | /*/ecs:LongName
EML /eml:eml/eml:dataset/eml:title
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:citation/fgdc:citeinfo/fgdc:title
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='title']/hdf5:Data/hdf5:DataFromFile
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Attribute[@Name='LongName']/hdf5:Data/hdf5:DataFromFile
ISO /*/gmd:identificationInfo/*/gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:citation/cit:CI_Citation/cit:title/gco:CharacterString
UMM /umm:UMM/umm:CollectionCitation/umm:Title
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Title
SERF /serf:SERF/serf:Entry_Title
THREDDS /thredds:catalog/thredds:dataset/@name
THREDDS /thredds:catalog/thredds:dataset/thredds:metadata/dc:title
THREDDS //thredds:dataset[1]/@name
netCDF /nc:netcdf/nc:attribute[@nc:name='title']/@nc:value
KeywordA word or phrase that describes some aspect of a resource. Can be one of several types.ADIwg /adiwg:project/adiwg:idinfo/adiwg:keywords/adiwg:theme/adiwg:themekey
DIF (1) /dif:DIF/dif:Parameters/dif:Category
DIF (1) /dif:DIF/dif:Parameters/dif:Topic
DIF (1) /dif:DIF/dif:Parameters/dif:Term
DIF (1) /dif:DIF/dif:Parameters/dif:Variable_Level_1
DIF (1) /dif:DIF/dif:Parameters/dif:Variable_Level_2
DIF (1) /dif:DIF/dif:Parameters/dif:Variable_Level_3
DIF (1) /dif:DIF/dif:Parameters/dif:Detailed_Variable
DCAT /dct:keyword
Dryad dcterms:subject
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:CategoryKeyword
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:TopicKeyword
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:TermKeyword
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:VariableLevel1Keyword/echo:Value
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:VariableLevel2Keyword/echo:Value
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:VariableLevel3Keyword
ECHO (1) /*/echo:ScienceKeywords/echo:ScienceKeyword/echo:DetailedVariableKeyword
ECS (1) /*/ecs:DisciplineTopicParameters/ecs:DisciplineKeyword
ECS (1) /*/ecs:DisciplineTopicParameters/ecs:TopicKeyword
ECS (1) /*/ecs:DisciplineTopicParameters/ecs:TermKeyword
ECS (1) /*/ecs:DisciplineTopicParameters/ecs:VariableKeyword
EML /eml:eml/eml:dataset/eml:keywordSet/eml:keyword
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:keywords/fgdc:theme/fgdc:themekey
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='keywords']/hdf5:Data/hdf5:DataFromFile
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='DisciplineTopicParameters']/hdf5:Group/hdf5:Attribute[@Name='ECSDisciplineKeyword']/hdf5:Data/hdf5:DataFromFile
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='DisciplineTopicParameters']/hdf5:Group/hdf5:Attribute[@Name='ECSTermKeyword']/hdf5:Data/hdf5:DataFromFile
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='DisciplineTopicParameters']/hdf5:Group/hdf5:Attribute[@Name='ECSTopicKeyword']/hdf5:Data/hdf5:DataFromFile
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='DisciplineTopicParameters']/hdf5:Group/hdf5:Attribute[@Name='ECSVariableKeyword']/hdf5:Data/hdf5:DataFromFile
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='DisciplineTopicParameters']/hdf5:Group/hdf5:Group[@Name='ECSParameter']/hdf5:Attribute[@Name='ECSParameterKeyword']/hdf5:Data/hdf5:DataFromFile
ISO (1) /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords/gmd:keyword
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[normalize-space(mri:type/mri:MD_KeywordTypeCode)='theme']/mri:keyword/gco:CharacterString
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:Category
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:Topic
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:Term
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:VariableLevel1/umm:Value
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:VariableLevel1/umm:VariableLevel2/umm:Value
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:VariableLevel1/umm:VariableLevel2/umm:VariableLevel3/umm:Value
UMM (1) /umm:UMM/umm:ScienceKeywords/umm:DetailedVariable
OGC-SOS (1) /sos:Capabilities/ows:ServiceIdentification/ows:Keywords[ows:Type='theme']/ows:Keyword
SERF /serf:SERF/serf:Keyword
THREDDS (1) //thredds:metadata/thredds:keyword
THREDDS (1) //thredds:dataset/thredds:keyword
netCDF /nc:netcdf/nc:attribute[@nc:name='keywords']/@nc:value
Topic CategoryHigh level category enumeration used in ISODIF (1) /dif:DIF/dif:ISO_Topic_Category
DCAT /dct:theme
ISO (1) /*/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:topicCategory/gmd:MD_TopicCategoryCode
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:topicCategory/mri:MD_TopicCategoryCode
UMM (1) /umm:UMM/umm:ISOTopicCategory
SERF /serf:ISO_Topic_Category
Distribution ContactContact information for the organization or individual that distributes the resource.DIF /dif:DIF/dif:Data_Center/dif:Personnel/dif:Role
DCAT /dct:contactPoint
ECHO /*/echo:ArchiveCenter
ECHO /*/Contacts/Contact[contains(Role,'Data Manager')]
ECHO /*/Contacts/Contact[contains(Role,'DATA CENTER CONTACT')]
ECHO /*/Contacts/Contact[contains(Role,'Archive')]
ECHO /*/Contacts/Contact[contains(Role,'Distributor')]
ECHO /*/Contacts/Contact[contains(Role,'GHRC USER SERVICES')]
ECHO /*/Contacts/Contact[contains(Role,'User Services')]
ECS /*/ecs:ArchiveCenter
EML /eml:dataset/eml:associatedParty/eml:role[RoleType='distributor']
FGDC /fgdc:metadata/fgdc:distinfo/fgdc:distrib/fgdc:cntinfo
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:distributor/gmd:MD_Distributor/gmd:distributorContact/gmd:CI_ResponsibleParty
ISO-1 /mdb:MD_Metadata/mdb:distributionInfo/mrd:MD_Distribution/mrd:distributor/mrd:MD_Distributor/mrd:distributorContact/cit:CI_Responsibility
SERF /serf:SERF/serf:Service_Provider
AbstractA paragraph describing the resource.

Note: This concept is called "Desciption" in Catalog Services for the Web.
ADIwg /adiwg:project/adiwg:idinfo/adiwg:descript/adiwg:abstract
DIF /dif:DIF/dif:Summary/dif:Abstract
DCAT /dct:description
Dryad dcterms:description
ECHO /*/echo:Description
ECS /*/ecs:CollectionDescription
EML /eml:eml/eml:dataset/eml:abstract//*
EML /eml:eml/eml:dataset/eml:abstract
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:descript/fgdc:abstract
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='summary']/hdf5:Data/hdf5:DataFromFile
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Attribute[@Name='CollectionDescription']/hdf5:Data/hdf5:DataFromFile
ISO /*/gmd:identificationInfo/*/gmd:abstract/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:abstract/gco:CharacterString
UMM /umm:UMM/umm:Summary
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Abstract
SERF /serf:SERF/serf:Summary/serf:Abstract
THREDDS //thredds:dataset/thredds:documentation[@type='abstract']
THREDDS //thredds:metadata/thredds:documentation[@type='abstract']
netCDF /nc:netcdf/nc:attribute[@nc:name='summary']/@nc:value
Metadata Standard CitationThe name of the standard to which the metadata conformsDIF /dif:DIF/dif:Metadata_Name
FGDC /fgdc:metadata/fgdc:metainfo/fgdc:metstdn
ISO /*/gmd:metadataStandardName
ISO-1 /mdb:MD_Metadata/mdb:metadataStandard
SERF /serf:SERF/serf:Metadata_Name
Metadata Standard VersionThe name of the standard to which the metadata conformsDIF /dif:DIF/dif:Metadata_Version
FGDC /fgdc:metadata/fgdc:metainfo/fgdc:metstdv
ISO /*/gmd:metadataStandardVersion
ISO-1 /mdb:MD_Metadata/mdb:metadataStandard/cit:CI_Citation/cit:identifier/mcc:MD_Identifier/mcc:version
SERF /serf:SERF/serf:Metadata_Version


DIF for Data Discovery - Highly Recommended

The Directory Interchange Format (DIF) is a NASA metadata format used to create directory entries that describe scientific data sets. The attributes in the spiral below are highly recommended by the DIF standard. Additonal documentation is available via the following online references:

Source: Interactive Write a DIF Guide DIF standard specification
ConceptDescriptionDialect (Fit) Paths
Resource CitationCitation for the resource.BDP /bdp:metadata/bdp:idinfo/bdp:citation/bdp:citeinfo
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:citation/csdgm:citeinfo
DIF /*/dif:Data_Set_Citation
DIF-10 /*/dif:Dataset_Citation
ECHO /*/echo:CitationForExternalPublication
ECHO /*/echo:LongName
EML /eml:eml/eml:citation
ISO /*/gmd:identificationInfo/*/gmd:citation/gmd:CI_Citation/gmd:otherCitationDetails//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/srv:SV_ServiceIdentification/mri:citation/cit:CI_Citation//*
Mercury /mercury:metadata/mercury:idinfo/mercury:citation/mercury:citeinfo
Onedcx /onedcx:metadata/onedcx:DcTerms/dcterms:bibliographicCitation
SERF /serf:SERF/serf:Service_Citation
Resource ContactThe organization or person responsible for answering questions about the resource.ADIwg /adiwg:project/adiwg:idinfo/adiwg:ptcontac/adiwg:cntinfo
ADIwg /adiwg:project/adiwg:idinfo/adiwg:datacred/adiwg:credorg/adiwg:cntinfo
ADIwg /adiwg:project/adiwg:idinfo/adiwg:datacred/adiwg:credper/adiwg:cntinfo
BDP /bdp:metadata/bdp:idinfo/bdp:ptcontac
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:ptcontac
DCAT /dct:contactPoint
DIF /dif:DIF/dif:Personnel[dif:Role='INVESTIGATOR']
DIF-10 /dif:DIF/dif:Personnel[dif:Role='INVESTIGATOR']
ECHO /*/ArchiveCenter
ECHO /*/Contacts/Contact[Role='TECHNICAL CONTACT']
ECS /CollectionMetaDataFile/CollectionMetaDataSets/Collections/CollectionMetaData/Contact[Role='User Services']
EML /eml:eml/*/contact
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='creator_name']/hdf5:Data/hdf5:DataFromFile
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='ContactPerson']
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='ContactOrganization']/hdf5:Group[@Name='Data_Originator']
ISO /*/gmd:identificationInfo/*/gmd:pointOfContact
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:pointOfContact
Mercury /mercury:metadata/mercury:idinfo/mercury:ptcontac
Mercury /mercury:metadata/mercury:idinfo/mercury:ptcontac/mercury:cntinfo/mercury:cntperp/mercury:cntper
Mercury /mercury:metadata/mercury:mercury/mercury:Contact_Person/mercury:Name
OGC-SOS /sos:Capabilities/ows:ServiceProvider
RDA-CISL /rda:dsOverview/rda:contact
SERF /serf:SERF/serf:Personnel
THREDDS /thredds:catalog/thredds:dataset/thredds:creator/thredds:name
Online ResourceOnline Resource for the cited resourceADIwg /adiwg:project/adiwg:idinfo/adiwg:citation/adiwg:citeinfo/adiwg:onlink
BDP /bdp:metadata/bdp:distinfo/bdp:stdorder/bdp:digform/bdp:onlinopt/bdp:networka
CSDGM /csdgm:metadata/csdgm:distinfo/csdgm:stdorder/csdgm:digform/csdgm:onlinopt/csdgm:networka
DIF /dif:DIF/dif:Data_Set_Citation/dif:Online_Resource
DIF /dif:DIF/dif:Reference/dif:Online_Resource
DIF-10 /dif:DIF/dif:Dataset_Citation/dif:Online_Resource
DIF-10 /dif:DIF/dif:Reference/dif:Online_Resource
ECHO /echo:OnlineResources/echo:OnlineResource/echo:URL
EML /eml:eml/*/physical/distribution/online
HCLS foaf:page
ISO //gmd:CI_Citation/gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:contactInfo/gmd:CI_Contact/gmd:onlineResource/gmd:CI_OnlineResource
ISO-1 //cit:CI_Citation/cit:onlineResource/cit:CI_OnlineResource
Mercury /mercury:metadata/mercury:distinfo/mercury:stdorder/mercury:digform/mercury:digtopt/mercury:onlinopt/mercury:computer
THREDDS //thredds:dataset/thredds:documentation/@xlink:href
InstrumentInformation about the instrument used to make the observations.DIF /dif:DIF/dif:Sensor_Name
DIF-10 /dif:DIF/dif:Platform/dif:Instrument
ECHO /*/echo:Platforms/echo:Platform/echo:Instruments/echo:Instrument
ECS /ecs:Instrument
EML /eml:eml/*/methods/methodStep/instrumentation
ISO /gmi:MI_Metadata/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/gmi:instrument/*
ISO /gmi:MI_Metadata/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/gmi:platform/*/gmi:instrument/*
ISO-1 /mdb:MD_Metadata/mdb:acquisitionInformation/mac:MI_AcquisitionInformation/mac:instrument/*
ISO-1 /mdb:MD_Metadata/mdb:acquisitionInformation/mac:MI_AcquisitionInformation/mac:platform/*/mac:instrument/*
SERF /serf:DIF/serf:Sensor_Name
UMM /umm:UMM/umm:Platform/umm:Instrument
PlatformThe platform used to collect the observations.DIF /*/dif:Source_Name//*
DIF-10 /*/dif:Platform//*
ECHO /*/Platforms/Platform//*
ECS /ecs:Platform
ISO /*/gmi:acquisitionInformation/gmi:MI_AcquisitionInformation/gmi:platform//*
ISO-1 /mdb:MD_Metadata/mdb:acquisitionInformation/mac:MI_AcquisitionInformation/mac:platform//*
SERF /serf:DIF/serf:Source_Name
UMM /umm:UMM/umm:Platform
Temporal ExtentThe temporal extent of the resourceBDP /bdp:metadata/bdp:idinfo/bdp:timeperd/bdp:timeinfo/bdp:rngdates
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:timeperd/csdgm:timeinfo/csdgm:rngdates
DCAT /dct:temporal
DIF /*/dif:Temporal_Coverage//*
DIF-10 /*/dif:Temporal_Coverage//*
Dryad /*/dcterms:temporal
ECHO /*/Temporal//*
ECS /ecs:RangeBeginningDate
ECS /ecs:RangeEndingDate
EML /eml:eml/*/coverage/temporalCoverage
ISO /*/gmd:identificationInfo/*/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent//*
ISO-1 /*/mri:MD_DataIdentification/mri:extent/gex:EX_Extent/gex:temporalElement/gex:EX_TemporalExtent//*
MODS //mods:mods/mods:subject/mods:temporal
Mercury /mercury:metadata/mercury:idinfo/mercury:timeperd/mercury:timeinfo/mercury:rngdates
Mercury /mercury:metadata/mercury:mercury/mercury:begdate and /mercury:metadata/mercury:mercury/mercury:enddate
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:temporal
RDA-CISL /rda:dsOverview/rda:contentMetadata/rda:temporal
THREDDS /thredds:catalog/thredds:metadata/thredds:timeCoverage/thredds:duration]
THREDDS /thredds:catalog/thredds:dataset/thredds:timeCoverage/thredds:duration]
Paleo Temporal CoverageThe temporal extent for paleoclimate or geologic data.DIF /*/dif:Paleo_Temporal_Coverage//*
DIF-10 /*/dif:Temporal_Coverage/dif:Paleo_DateTime//*
EML /eml:eml/*/coverage/temporalCoverage/rangeOfDates/beginDate/alternativeTimeScale
ISO /*/gmd:identificationInfo/*/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod//*
Bounding BoxA bounding box for identifying a geographic area of interest

Note: This concept is called "Coverage" in the CSW Specification
BDP /bdp:metadata/bdp:idinfo/bdp:spdom/bdp:bounding
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:spdom/csdgm:bounding
DCAT /dct:spatial
DCITE /dcite:resource/dcite:geoLocations/dcite:geoLocation/dcite:geoLocationPlace
DIF /dif:DIF/dif:Spatial_Coverage//*
DIF-10 /dif:DIF/dif:Spatial_Coverage//*
ECHO /*/echo:Spatial/echo:HorizontalSpatialDomain/echo:Geometry/echo:BoundingRectangle//*
ECS /*/ecs:Spatial/ecs:HorizontalSpatialDomain/ecs:BoundingRectangle//*
EML /eml:eml/*/coverage/geographicCoverage/boundingCoordinates
ISO /*/gmd:identificationInfo/*/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox//*
ISO /*/gmd:identificationInfo/srv:SV_ServiceIdentification/srv:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:extent/gex:EX_Extent/gex:geographicElement/gex:EX_GeographicBoundingBox//*
MODS //mods:mods/mods:subject/mods:geographic/cartographics/coordinates
Mercury /mercury:metadata/mercury:idinfo/mercury:spdom/mercury:bounding
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:spatial[@xsi:type="dcterms:Box"]
RDA-CISL /rda:dsOverview/rda:contentMetadata/rda:geospatialCoverage/rda:grid
Place KeywordA comma separated list of key words and phrases that give the location of the resource.

Note: Some dialects include keywords, but they do not include mechanisms for identifying the type. In those cases it is difficult to unambiguously identify place keywords.
ADIwg /adiwg:project/adiwg:idinfo/adiwg:keywords/adiwg:place/adiwg:placekey
BDP /bdp:metadata/bdp:idinfo/bdp:keywords/bdp:place/bdp:placekey
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:keywords/csdgm:place/csdgm:placekey
DIF /dif:DIF/dif:Location/dif:Location_Category
DIF /dif:DIF/dif:Location/dif:Location_Type
DIF /dif:DIF/dif:Location/dif:Location_Subregion1
DIF /dif:DIF/dif:Location/dif:Location_Subregion2
DIF /dif:DIF/dif:Location/dif:Location_Subregion3
DIF /dif:DIF/dif:Location/dif:Detailed_Location
DIF-10 /dif:DIF/dif:Location/dif:Location_Category
DIF-10 /dif:DIF/dif:Location/dif:Location_Type
DIF-10 /dif:DIF/dif:Location/dif:Location_Subregion1
DIF-10 /dif:DIF/dif:Location/dif:Location_Subregion2
DIF-10 /dif:DIF/dif:Location/dif:Location_Subregion3
DIF-10 /dif:DIF/dif:Location/dif:Detailed_Location
ECHO /*/echo:Spatial/echo:GranuleLocality/echo:LocalityValue
ECHO /*/SpatialKeywords/Keyword
EML /eml:eml/*/keywordSet/keyword[@keywordType="place"]
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Attribute[@Name='SpatialKeyword']/hdf5:Data/hdf5:DataFromFile
ISO /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords[normalize-space(gmd:type/gmd:MD_KeywordTypeCode)='place']/gmd:keyword//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[normalize-space(mri:type/mri:MD_KeywordTypeCode)='place']/mri:keyword//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:extent/gex:EX_Extent/gex:geographicElement/gex:EX_GeographicDescription/gex:geographicIdentifier/mcc:MD_Identifier/mcc:code//*
Mercury /mercury:metadata/mercury:idinfo/mercury:keywords/mercury:place/mercury:placekey
Mercury /mercury:metadata/mercury:mercury/mercury:Site_Information/mercury:Site
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Keywords[ows:Type='place']/ows:Keyword
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:spatial
THREDDS /thredds:catalog/thredds:dataset/thredds:geospatialCoverage/thredds:name
Spatial ResolutionThe nominal scale and/or spatial resolution of the resource.BDP /bdp:metadata/bdp:spref/bdp:horizsys/bdp:geograph
CSDGM /csdgm:metadata/csdgm:spref/csdgm:horizsys/csdgm:geograph
DIF /dif:Data_Resolution
DIF-10 /dif:Data_Resolution
ECHO /*/eos:AdditionalAttributes/*/eos:MeasurementResolution
ECS /ecs:LatitudeResolution
ECS /ecs:LongitudeResolution
EML /eml:eml/*/horizCoordSysDef
ISO /*/gmd:identificationInfo/*/gmd:spatialResolution
ISO-1 /*/mdb:identificationInfo/*/mri:spatialResolution
MODS //mods:mods/mods:subject/mods:geographic/cartographics/scale
RDA-CISL /rda:dsOverview/rda:contentMetadata/rda:geospatialCoverage/rda:grid/@xRes
RDA-CISL /rda:dsOverview/rda:contentMetadata/rda:geospatialCoverage/rda:grid/@yRes
Temporal ResolutionThe smallest time step included in the resource.DIF /dif:Data_Resolution/dif:Temporal_Resolution
DIF-10 /dif:Data_Resolution/dif:Temporal_Resolution
ECHO /*/eos:AdditionalAttributes/*/eos:MeasurementResolution
EML /eml:eml/*/coverage/temporalCoverage//*/units
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:temporalResolution/gts:TM_PeriodDuration
Mercury /metadata/mercury/Temporal_Resolution
THREDDS //thredds:dataset/thredds:timeCoverage/thredds:resolution]
THREDDS //thredds:metadata/thredds:timeCoverage/thredds:resolution]
Resource TitleA short description of the resource. The title should be descriptive enough so that when a user is presented with a list of titles the general content of the data set can be determined.ADIwg /adiwg:project/adiwg:idinfo/adiwg:citation/adiwg:citeinfo/adiwg:title
BDP /bdp:metadata/bdp:idinfo/bdp:citation/bdp:citeinfo/bdp:title
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:citation/csdgm:citeinfo/csdgm:title
DCAT /dct:title
DCITE /dcite:resource/dcite:titles/dcite:title
DIF /dif:DIF/dif:Entry_Title
DIF /dif:DIF/dif:Data_Set_Citation/dif:Dataset_Title
DIF-10 /dif:DIF/dif:Entry_Title
DIF-10 /dif:DIF/dif:Dataset_Citation/dif:Dataset_Title
Dryad /*/dcterms:title
ECHO /*/echo:ShortName | /*/echo:LongName
ECHO /*/echo:DataSetId
ECS /*/ecs:ShortName | /*/ecs:LongName
EML /eml:eml/*/title
HCLS dct:title
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='title']/hdf5:Data/hdf5:DataFromFile
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Attribute[@Name='LongName']/hdf5:Data/hdf5:DataFromFile
ISO /*/gmd:identificationInfo/*/gmd:citation/gmd:CI_Citation/gmd:title//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:citation/cit:CI_Citation/cit:title//*
MODS //mods:mods/mods:titleInfo/mods:title
Mercury /mercury:metadata/mercury:idinfo/mercury:citation/mercury:citeinfo/mercury:title
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Title
Onedcx /onedcx:metadata/onedcx:simpleDc/dcterms:title
RDA-CISL /rda:dsOverview/rda:title
SERF /serf:SERF/serf:Entry_Title
THREDDS /thredds:catalog/thredds:dataset/@name
THREDDS /thredds:catalog/thredds:dataset/thredds:metadata/dc:title
THREDDS //thredds:dataset[1]/@name
UMM /umm:UMM/umm:CollectionCitation/umm:Title
Quality StatementInformation about the quality of the data or any quality assurance procedures followed in producing the data.BDP /bdp:metadata/bdp:dataqual
CSDGM /csdgm:metadata/csdgm:dataqual
DIF /dif:DIF/dif:Quality
DIF-10 /dif:DIF/dif:Quality
ECHO /echo:Collection/Temporal/PrecisionOfSeconds
ECHO /echo:Granule/MeasuredParameters/MeasuredParameter/QAStats//*
ECHO /echo:Granule/MeasuredParameters/MeasuredParameter/QAFlags//*
EML /eml/methods/qualityControl/description
ISO /gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:report//*
ISO-1 /mdb:MD_Metadata/mdb:dataQualityInfo/mdq:DQ_DataQuality/mdq:standaloneQualityReport/mdq:DQ_StandaloneQualityReportInformation//*
ISO-1 /mdb:MD_Metadata/mdb:dataQualityInfo/mdq:DQ_DataQuality/mdq:report//*
Resource Access ConstraintsInformation about any constraints for accessing the data set. This includes any special restrictions, legal prerequisites, limitations and/or warnings on obtaining the data set. Some words that may be used in this field include: Public, In-house, Limited, Additional detailed instructions on how to access the data can be entered in this field.BDP /bdp:metadata/bdp:idinfo/bdp:accconst
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:accconst
DCAT /dct:accessLevel
DCAT dct:accessLevelComment
DIF /dif:DIF/dif:Access_Constraints
DIF-10 /dif:DIF/dif:Access_Constraints
ECHO /*/echo:RestrictionFlag
ECHO /*/echo:RestrictionComment
ECHO /*/echo:Visible
ECS /*/ecs:AccessConstraints
EML /eml:eml/access
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:accessConstraints/gmd:MD_RestrictionCode
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:otherConstraints//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:accessConstraints//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:otherConstraints//*
MODS //mods:mods/mods:access
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:accessRights
SERF /serf:DIF/serf:Access_Constraints
THREDDS /thredds:catalog/thredds:dataset/thredds:documentation[@type="rights"]
THREDDS /thredds:catalog/thredds:metadata/thredds:documentation[@type="rights"]
Resource Use ConstraintsInformation about how the data may or may not be used after access is granted to assure the protection of privacy or intellectual property. This includes any special restrictions, legal prerequisites, terms and conditions, and/or limitations on using the data set. Data providers may request acknowledgement of the data from users and claim no responsibility for quality and completeness of data.BDP /bdp:metadata/bdp:idinfo/bdp:useconst
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:useconst
DCAT /dct:dataQuality
DIF /dif:DIF/dif:Use_Constraints
DIF-10 /dif:DIF/dif:Use_Constraints
ECHO /*/echo:RestrictionFlag
ECHO /*/echo:RestrictionComment
EML /eml:eml/*/intellectualRights
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:otherConstraints//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_Constraints/mco:useLimitation//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:useConstraints/mco:MD_RestrictionCode
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:otherConstraints//*
MODS //mods:mods/mods:dataset/mods:intellectualRights
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:license
SERF /serf:DIF/serf:Use_Constraints
THREDDS /thredds:catalog/thredds:dataset/thredds:documentation[@type="rights"]
THREDDS /thredds:catalog/thredds:metadata/thredds:documentation[@type="rights"]
MediaMedia on which the resource is availableBDP /bdp:metadata/bdp:dataqual/bdp:lineage/bdp:sinfo/bdp:type
CSDGM /csdgm:metadata/csdgm:dataqual/csdgm:lineage/csdgm:sinfo/csdgm:type
DIF /*/dif:Distribution/dif:Distribution_Media
DIF-10 /dif:DIF/dif:Distribution/dif:Distribution_Media
EML /eml:eml/*/physical/dataName
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:transferOptions/gmd:MD_DigitalTransferOptions/gmd:offLine/gmd:MD_Medium/gmd:name/gmd:MD_MediumNameCode
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:distributor/gmd:MD_Distributor/gmd:distributorTransferOptions/gmd:MD_DigitalTransferOptions/gmd:offLine/gmd:MD_Medium/gmd:name/gmd:MD_MediumNameCode
ISO-1 /mdb:MD_Metadata/mdb:distributionInfo/mrd:MD_Distribution/mrd:transferOptions/mrd:MD_DigitalTransferOptions/mrd:offLine/mrd:MD_Medium/mrd:name/cit:CI_Citation/cit:title//*
SERF /serf:SERF/serf:Distribution/serf:Distribution_Media
Transfer SizeThe size of the digital resourceBDP /bdp:metadata/bdp:distinfo/bdp:stdorder/bdp:digform/bdp:digtinfo/bdp:transize
CSDGM /csdgm:metadata/csdgm:distinfo/csdgm:stdorder/csdgm:digform/csdgm:digtinfo/csdgm:transize
DCITE /dcite:resource/dcite:sizes/dcite:size
DIF /dif:DIF/dif:Distribution/dif:Distribution_Size
DIF-10 /dif:DIF/dif:Distribution/dif:Distribution_Size
ECHO /*/DataGranule/SizeMBDataGranule
ECS /ecs:SizeMBECSDataGranule
EML /eml:eml/*/physical/size
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:distributionFormat/gmd:MD_Format/gmd:formatDistributor/gmd:MD_Distributor/gmd:distributorTransferOptions/gmd:MD_DigitalTransferOptions/gmd:transferSize/gco:Real
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:distributor/gmd:MD_Distributor/gmd:distributorTransferOptions/gmd:MD_DigitalTransferOptions/gmd:transferSize/gco:Real
ISO-1 /mdb:MD_Metadata/mdb:distributionInfo/mrd:MD_Distribution/mrd:distributionFormat/mrd:MD_Format/mrd:formatDistributor/mrd:MD_Distributor/mrd:distributorTransferOptions/mrd:MD_DigitalTransferOptions/mrd:transferSize/gco:Real
ISO-1 /mdb:MD_Metadata/mdb:distributionInfo/mrd:MD_Distribution/mrd:distributor/mrd:MD_Distributor/mrd:distributorTransferOptions/mrd:MD_DigitalTransferOptions/mrd:transferSize/gco:Real
Mercury /mercury:metadata/mercury:distinfo/mercury:stdorder/mercury:digform/mercury:digtinfo/mercury:transize
RDA-CISL /rda:dsOverview/rda:relatedDataset/@ID
Resource FormatThe physical or digital manifestation of the resourceBDP /bdp:metadata/bdp:distInfo/bdp:distributor/bdp:distorFormat/bdp:formatName
BDP /bdp:metadata/bdp:distinfo/bdp:stdorder/bdp:digform/bdp:digtinfo/bdp:formname
CSDGM /csdgm:metadata/csdgm:distinfo/csdgm:distributor/csdgm:distorFormat/csdgm:formatName
CSDGM /csdgm:metadata/csdgm:distinfo/csdgm:stdorder/csdgm:digform/csdgm:digtinfo/csdgm:formname
DCAT /dct:format
DCITE /dcite:resource/dcite:formats/dcite:format
DIF /*/dif:Distribution/dif:Distribution_Format
DIF-10 /*/dif:Distribution/dif:Distribution_Format
Dryad /dryad:DryadDataFile/dcterms:format
ECHO /*/echo:DataFormat
ECHO /*/CSDTDescriptions/CSDTDescription/Implementation
ECHO /*/AdditionalAttributes/AdditionalAttribute[Name='FileFormat']/Value
ECS /ecs:PrimaryCSDT
EML /eml:eml/*/dataTable/physical/dataFormat
HCLS dct:format
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Attribute[@Name='HDFVersion']/hdf5:Data/hdf5:DataFromFile
HDF5.1 /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Attribute[@Name='HDFVersion']/hdf5:Data/hdf5:DataFromFile
ISO //gmd:resourceFormat/gmd:MD_Format/gmd:name//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:resourceFormat/mrd:MD_Format/mrd:formatSpecificationCitation/cit:CI_Citation/cit:identifier/mcc:MD_Identifier/mcc:code
MODS //mods:mods/dataset/mods:dataTable/mods:physical
Onedcx /onedcx:metadata/onedcx:simpleDc/dcterms:format
Onedcx /onedcx:metadata/onedcx:dcTerms/dcterms:medium
RDA-CISL /rda:dsOverview/contentMetadata/format
SERF /serf:SERF/serf:Distribution/serf:Distribution_Format
Resource LanguageThe language of the resource.DCAT /dct:Language
DCITE /dcite:resource/dcite:language
DIF /dif:DIF/dif:Data_Set_Language
DIF-10 /dif:DIF/dif:Dataset_Language
EML /eml:eml/@xml:lang | /eml:eml/*/language
HCLS dct:language
ISO /*/gmd:identificationInfo/*/gmd:language//*
ISO /*/gmd:identificationInfo/*/gmd:language/gmd:LanguageCode
ISO-1 /mdb:MD_Metadata/mdb:defaultLocale/lan:PT_Locale/lan:language/lan:LanguageCode
ISO-1 /mdb:MD_Metadata/mdb:otherLocale/lan:PT_Locale/lan:language/lan:LanguageCode
MODS //mods:mods/mods:language
Onedcx /onedcx:metadata/onedcx:simpleDc/dcterms:language
SERF /serf:SERF/serf:Service_Language
Resource StatusThe status of the resourceBDP /bdp:metadata/bdp:idinfo/bdp:status
CSDGM /csdgm:metadata/csdgm:idinfo/csdgm:status
DIF /dif:DIF/dif:Data_Set_Progress
DIF-10 /dif:DIF/dif:Dataset_Progress
ECHO /*/echo:CollectionState
EML /eml:eml/access
ISO /*/gmd:identificationInfo/*/gmd:status/gmd:MD_ProgressCode
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:status/mcc:MD_ProgressCode
Mercury /mercury:metadata/mercury:idinfo/mercury:status
Mercury /mercury:metadata/mercury:idinfo/mercury:status/mercury:progress

xPath Note: The xPaths included in this table use several wildcards. // means any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere in an XML file. /*/ indicates a single level with several possible elements. This usually indicates one of several concrete realizations of an abstract object. For example /*/gmd:identificationInfo could be gmd:MD_Metadata/gmd:identificationInfo or gmi:MI_Metadata/gmd:identificationInfo and gmd:identificationInfo/*/gmd:descriptiveKeywords could be gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords or gmd:identificationInfo/srv:SV_ServiceIdentification/gmd:descriptiveKeywords. Fit: The fit of the dialect path with the concept is estimated on a scale of 1 = excellent two-way fit, 2 = one-way fit or some other problem, 3 - extension required.


Data Discoverability