Service Discovery (SERF)

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The Service Entry Resource Format (SERF) is a NASA documentation dialect for service discovery, selection and usage.

SERF for Service Discovery - Required

The Service Entry Resource Format (SERF) is the de-facto GCMD standard for describing data services and applications. This spiral includes the fields that are required by the SERF standard. Additonal documentation is available via the following online references:

Source: Interactive SERF Guide Write a SERF Guide
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.

Note: The general identification keywords usually have a type of "theme" and are refered to as "theme keywords". Other types and vocabularies are used for other information. Service Entry Resource Format (SERF) requires a Science and a Service GCMD Keyword. This concept is called Subject in the CSW Specification.
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
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
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
PurposeA paragraph describing the original purpose for collecting the dataset.DIF (1) /dif:DIF/dif:Summary/dif:Purpose
ECHO (1) /*/SuggestedUsage
ECS (1) /*/ecs:SuggestedUsage1
FGDC /fgdc:idinfo/fgdc:descript/fgdc:purpose
HDF5.1 (1) /hdf5:HDF5-File/hdf5:RootGroup/hdf5:Group[@Name='METADATA']/hdf5:Group[@Name='COLLECTIONMETADATA']/hdf5:Group[@Name='ECSCollection']/hdf5:Attribute[@Name='SuggestedUsage']/hdf5:Data/hdf5:DataFromFile
ISO (1) /*/gmd:identificationInfo/*/gmd:purpose/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:purpose/gco:CharacterString
UMM (1) /umm:UMM/umm:Summary/umm:Purpose
SERF /serf:SERF/serf:Summary/serf:Purpose


SERF for Service Discovery - Highly Recommended

The Service Entry Resource Format (SERF) is the de-facto GCMD standard for describing data services and applications. This spiral includes the fields that are highly recommended by the SERF standard. Additonal documentation is available via the following online references:

Source: Interactive SERF Guide Write a SERF Guide
ConceptDescriptionDialect (Fit) Paths
Resource CitationCitation for the resource.DIF /dif:DIF/dif:Data_Set_Citation
ECHO /*/echo:CitationForExternalPublication
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:citation/fgdc:citeinfo
ISO /*/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation//*
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/srv:SV_ServiceIdentification/mri:citation/cit:CI_Citation//*
SERF /serf:SERF/serf:Service_Citation
MediaMedia on which the resource is availableDIF /dif:DIF/dif:Distribution/dif:Distribution_Media
FGDC /fgdc:metadata/fgdc:dataqual/fgdc:lineage/fgdc:sinfo/fgdc:type
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/gco:CharacterString
SERF /serf:SERF/serf:Distribution/serf:Distribution_Media
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
DIF /dif:DIF/dif:Personnel[dif:Role='INVESTIGATOR']
DIF /serf:SERF/serf:Personnel[serf:Role='INVESTIGATOR']
DCAT /dct:contactPoint
ECHO /*/ArchiveCenter
ECHO /*/Contacts/Contact[contains(Role,'TECHNICAL CONTACT')]
ECS /CollectionMetaDataFile/CollectionMetaDataSets/Collections/CollectionMetaData/Contact[Role='User Services']
EML /eml:eml/eml:dataset/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
OGC-SOS /sos:Capabilities/ows:ServiceProvider
SERF /serf:SERF/serf:Personnel
THREDDS /thredds:catalog/thredds:dataset/thredds:creator/thredds:name
netCDF /nc:netcdf/nc:attribute[@nc:name='creator_name']/@nc:value
Resource Cost or FeesCost associated with access to the resourceDIF /dif:DIF/dif:Distribution/dif:Fees
ECHO /*/echo:Price
FGDC /fgdc:metadata/fgdc:distinfo/fgdc:distrib/fgdc:storder/fgdc:fees
ISO /*/gmd:distributionInfo/gmd:MD_Distribution/gmd:distributor/gmd:MD_Distributor/gmd:distributionOrderProcess/gmd:MD_StandardOrderProcess/gmd:fees/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:distributionInfo/mrd:MD_Distribution/mrd:distributionFormat/mrd:MD_Format/mrd:formatDistributor/mrd:MD_Distributor/mrd:distributionOrderProcess/mrd:MD_StandardOrderProcess/mrd:fees/gco:CharacterString
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Fees
SERF /serf:SERF/serf:Distribution/serf:Fees
Resource FormatThe physical or digital manifestation of the resourceDIF /dif:DIF/dif:Distribution/dif:Distribution_Format
DCAT /dct:format
ECHO /*/echo:DataFormat
ECHO /*/CSDTDescriptions/CSDTDescription/Implementation
ECHO /*/AdditionalAttributes/AdditionalAttribute[Name='FileFormat']/Value
ECS /ecs:PrimaryCSDT
EML /eml:eml/dataset/eml:dataTable/eml:physical/eml:dataFormat//*
FGDC /fgdc:metadata/fgdc:distInfo/fgdc:distributor/fgdc:distorFormat/fgdc:formatName
FGDC /fgdc:metadata/fgdc:distinfo/fgdc:stdorder/fgdc:digform/fgdc:digtinfo/fgdc:formname
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:identificationInfo/gmd:MD_DataIdentification/gmd:resourceFormat/gmd:MD_Format/gmd:name/gco:CharacterString
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
SERF /serf:SERF/serf:Distribution/serf:Distribution_Format
Instrument KeywordKeywords that describe the instrument used to collect the resource.DIF /dif:DIF/dif:Sensor_Name/dif:Short_Name
DIF /dif:DIF/dif:Sensor_Name/dif:Long_Name
ECHO //echo:Platforms/echo:Platform/echo:Instruments/echo:Instrument/echo:ShortName
ECHO //echo:Platforms/echo:Platform/echo:Instruments/echo:Instrument/echo:LongName
ISO /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords[normalize-space(gmd:type/gmd:MD_KeywordTypeCode)='instrument']/gmd:keyword/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[normalize-space(mri:type/mri:MD_KeywordTypeCode)='instrument']/mri:keyword/gco:CharacterString
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Keywords[ows:Type='instrument']/ows:Keyword
SERF /serf:SERF/serf:Sensor_Name/serf:Short_Name
SERF /serf:SERF/serf:Sensor_Name/serf:Long_Name
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
Platform KeywordKeywords that describe the platform used to collect the resource.ECHO //echo:Platforms/echo:Platform/echo:ShortName
ECHO //echo:Platforms/echo:Platform/echo:LongName
ECS /*/ecs:Platform/ecs:PlatformShortName
ECS /*/ecs:Platform/ecs:PlatformLongName
ISO /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords[normalize-space(gmd:type/gmd:MD_KeywordTypeCode)='platform']/gmd:keyword/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[normalize-space(mri:type/mri:MD_KeywordTypeCode)='platform']/mri:keyword/gco:CharacterString
OGC-SOS /sos:Capabilities/ows:ServiceIdentification/ows:Keywords[ows:Type='platform']/ows:Keyword
SERF /serf:SERF/serf:Source_Name/serf:Short_Name
SERF /serf:SERF/serf:Source_Name/serf:Long_Name
Resource Quality DescriptionDescription of the quality of the resource or any quality assurance procedures followed in producing the resource.

Note: ISO-1 provides free text fields for describing quality information in the DQ_MeasureReference, DQ_EvaluationMethod, and DQ_DescriptiveResult objects.
DIF /dif:DIF/Quality
EML //eml:methods/eml:qualityControl//*
SERF /serf:SERF/serf:Quality
Project KeywordKeywords that describe the Project used to collect the resource.ISO /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords[normalize-space(gmd:type/gmd:MD_KeywordTypeCode)='project']/gmd:keyword/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[normalize-space(mri:type/mri:MD_KeywordTypeCode)='project']/mri:keyword/gco:CharacterString
SERF /serf:SERF/serf:Project/serf:Short_Name
SERF /serf:SERF/serf:Project/serf:Long_Name
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.DIF /dif:DIF/dif:Access_Constraints
DCAT /dct:accessLevel
DCAT dct:accessLevelComment
ECHO /*/echo:RestrictionFlag
ECHO /*/echo:RestrictionComment
ECHO /*/echo:Visible
ECS /*/ecs:AccessConstraints
EML /eml:eml/eml:access//*
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:accconst
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:accessConstraints/gco:CharacterString
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:otherConstraints/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:accessConstraints/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_LegalConstraints/mco:otherConstraints/gco:CharacterString
SERF /serf:DIF/serf:Access_Constraints
THREDDS /thredds:catalog/thredds:dataset/thredds:documentation[@type="rights"]
THREDDS /thredds:catalog/thredds:metadata/thredds:documentation[@type="rights"]
netCDF /nc:netcdf/nc:variable/nc:attribute[@nc:name='license']/@nc:value
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.DIF /dif:DIF/dif:Use_Constraints
DCAT /dct:dataQuality
ECHO /*/echo:RestrictionFlag
ECHO /*/echo:RestrictionComment
EML /eml:eml/eml:dataset/eml:intellectualRights//*
FGDC /fgdc:metadata/fgdc:idinfo/fgdc:useconst
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_Constraints/gmd:useLimitation/gco:CharacterString
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:useConstraints/gmd:MD_RestrictionCode
ISO /*/gmd:identificationInfo/*/gmd:resourceConstraints/gmd:MD_LegalConstraints/gmd:otherConstraints/gco:CharacterString
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:resourceConstraints/mco:MD_Constraints/mco:useLimitation/gco:CharacterString
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/gco:CharacterString
SERF /serf:DIF/serf:Use_Constraints
THREDDS /thredds:catalog/thredds:dataset/thredds:documentation[@type="rights"]
THREDDS /thredds:catalog/thredds:metadata/thredds:documentation[@type="rights"]
netCDF /nc:netcdf/nc:variable/nc:attribute[@nc:name='license']/@nc:value
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
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
Service LocationEndpoint for accessing the service.DCAT /dct:webService
ISO /*/gmd:identificationInfo/srv:SV_ServiceIdentification/srv:containsOperations/srv:SV_OperationMetadata/srv:connectPoint/gmd:CI_OnlineResource/gmd:linkage/gmd:URL
ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/srv:SV_ServiceIdentification/srv:containsOperations/srv:SV_OperationMetadata/srv:connectPoint/cit:CI_OnlineResource/cit:linkage/gco:CharacterString
OGC-SOS /sos:Capabilities/ows:OperationsMetadata/ows:Operation/ows:DCP/ows:HTTP/ows:Get/@xlink:href
OGC-SOS /sos:Capabilities/ows:OperationsMetadata/ows:Operation/ows:DCP/ows:HTTP/ows:Post/@xlink:href
SERF /serf:SERF/serf:Service_Citation/serf:URL
Resource LanguageThe language of the resource.DIF /dif:DIF/dif:Data_Set_Language
DCAT /dct:Language
ISO /*/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:language/gco:CharacterString
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
SERF /serf:SERF/serf:Service_Language

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 Accessibility/Usability