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Element Description
Represents Internet sites that contain information related to the data, as well as related Internet sites such as project home pages, related data archives/servers, metadata extensions, online software packages, web mapping services, and calibration/validation data.
Best Practices
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Examples:
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Element Specification
An unlimited amount of Related URLs may be listed (Cardinality: 1..*)
Model | Element | Type | Usable Valid Values | Constraints | Required? | Cardinality | Notes |
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UMM-Common | RelatedUrls/URL | String | n/a | 1 - 1024 characters | Yes | 1 | The GET DATA URL should point the user to a location where data files may be directly downloaded. |
UMM-Common | RelatedUrls/Description | String | n/a | 1 - 4000 characters | No | 0..1 | It is strongly recommended that a description be provided for each URL. |
UMM-Common | RelatedUrls/URLContentType | Enumeration | CollectionURL PublicationURL DataCenterURL DistributionURL DataContactURL VisualizationURL | n/a | Yes | 1 | "DistributionURL" should be provided is the only valid option for links used to obtain the data. |
UMM-Common | RelatedUrls/Type | String | KMS controlled | n/a | Yes | 1 | "GET DATA" should be provided as the Type. |
UMM-Common | RelatedUrls/Subtype | String | KMS controlled | n/a | No | 0..1 | The Type and Subtype are part of a keyword hierarchy specified in the KMS. Any Subtype listed get after GET DATA in the keyword list is a valid option. If none of the available Subtypes are appropriate for the URL, then it is okay to leave the Subtype field blank. |
UMM-Common | RelatedUrls/GetData/Format | String | KMS controlled | n/a | Yes | 1 | Are we keeping this field? The format of the data provided via the associated URL. |
UMM-Common | RelatedUrls/GetData/MimeType | String | KMS controlled | n/a | No | 0..1 | The mime type of the associated URL. |
UMM-Common | RelatedUrls/GetData/Size | Number | n/a | n/a | Yes | 1 | Really only makes sense to provide if the link is a direct download. Is this going to remain a required field? The size of the data obtained via the associated URL. |
UMM-Common | RelatedUrls/GetData/Unit | Enumeration | KB MB GB TB PB | n/a | Yes | 1 | Really only makes sense to provide if the link is a direct download. Is this going to remain a required field? Unit is required if information is provided in the 'Size' element. |
UMM-Common | RelatedUrls/GetData/Fees | String | n/a | 1 - 80 characters | No | 0..1 | The fee (if any) for ordering the data. The fee should be a number in U.S. dollars. |
UMM-Common | RelatedUrls/GetData/Checksum | String | n/a | 1 - 50 characters | No | 0..1 | Does it only make sense to provide a checksum if the link directly downloads a file? Or should you provide one if the link just takes you to another web page e.g. a 'data tree' type of page? Would like to provide some guidelines for when use of this field is encouraged. |
Metadata Validation and QA/QC
All metadata entering the CMR goes through the below process to ensure metadata quality requirements are met. All records undergo CMR validation before entering the system. The process of QA/QC is slightly different for NASA and non-NASA data providers. Non-NASA providers include interagency and international data providers and are referred to as the International Directory Network (IDN).
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Dialect Mappings
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DIF 9 (Note: DIF-9 is being phased out and will no longer be supported after 2018) |
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DIF 10 An unlimited amount of Related URLs may be listed (Cardinality: 0..*)
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ECHO 10 Specification | Path | Type | Constraints | Required in ECHO10? | Cardinality | Notes | ECHO 10 | /Collection/DOI/DOI | String | 1 - 1024 characters
n/a | ECHO
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DIF 10 | /DIF/Related_URL/Function | String | No | 0..1 |
Example Mapping
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DIF 10
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ECHO 10
Example Mapping
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ISO 19115-2 MENDS
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ISO 19115-2 MENDS
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ISO 19115-2 SMAP Specification | Path | Type | Notes | /gmd:DS_Series/gmd:seriesMetadata/gmi:MI_
| /gmd:DS_Series/gmd:seriesMetadata/gmd:DS_Series/gmd:seriesMetadataWhere the DOI string is provided.
String | The value of "gov.nasa.esdis.umm.doi" should be provided here so that CMR can properly parse out the DOI. |
String | The value must contain the string "DOI" so that CMR can properly identify and translate the DOI. |
ISO 19115-2 SMAP | /gmd:DS_Series/gmd:seriesMetadata/gmi:MI_Metadata/gmd:identificationInfo
String Leave this element empty.
String | Leave this element empty. | /gmd:DS_Series/gmd:seriesMetadata/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/gmd:authority/gmd:CI_Citation/ gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:organisationName/gco:CharacterString | String | Provide the authority here. For ESDIS providers, recommend listing "https://doi.org" as the DOI authority. | /gmd:DS_Series/gmd:seriesMetadata/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/gmd:authority/gmd:CI_Citation/ gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:role/gmd:CI_RoleCode codeList="https://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="" = authority | Codelist | Choose the "authority" codelist value so that CMR can properly identify the DOI/Authority element. This codelist value does not directly map to a UMM element - choosing 'authority' indicates to CMR that the Authority element should be mapped. | | ||||||||||||||||||||||||||||
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UMM Migration
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Enumeration/Code List Mapping
Example Mapping
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ISO 19115-2 SMAP
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Future Mappings
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ISO 19115-1 Specification | Path | Type | Notes | /mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:citation/cit:CI_Citation/ cit:identifier/mcc:MD_Identifier/mcc:code/gco:CharacterString String | Where the DOI string is provided. | /mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:citation/cit:CI_Citation/ cit:identifier/mcc:MD_Identifier/mcc:codeSpace = gov.nasa.esdis.umm.doi String | The value of "gov.nasa.esdis.umm.doi" should be provided here so that CMR can properly parse out the DOI. | /mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:citation/cit:CI_Citation/ cit:identifier/mcc:MD_Identifier/mcc:description/gco:CharacterString contains DOI String | Leave this element empty. | /mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:citation/cit:CI_Citation/ cit:identifier/mcc:MD_Identifier/mcc:authority/cit:CI_Citation/cit:title - empty element String | Provide the
String | Provide the authority here. For ESDIS providers, recommend listing
/mdb:MD_Metadata/mdb:identificationInfo/mri:MD_DataIdentification/mri:citation/cit:CI_Citation/ cit:identifier/mcc:MD_Identifier/mcc:authority/cit:CI_Citation/cit:citedResponsibleParty/cit:CI_Responsibility/cit:role/cit:roleCode codeList="http://standards.iso.org/iso/19115/resources/Codelist/cat/codelists.xml#CI_RoleCode" codeListValue="" value = authority Codelist | Choose the "authority" codelist value so that CMR can properly identify the DOI/Authority element. This codelist value does not directly map to a UMM element - choosing 'authority' indicates to CMR that the Authority element should be mapped. |
Example Mapping
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UMM Migration
None
Future Mappings
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ISO 19115-1
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History
UMM Versioning
Version | Date | What Changed |
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1.10.0 | 5/2/2018 | <> |
1.9.0 |
ARC Documentation
Version | Date | What Changed | Author |
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1.0 | 6/13/18 | Recommendations/priority matrix transferred from internal ARC documentation to wiki space | Jeanne' le Roux |