RelatedURLs

Element Description

Any service resource-related URLs that include a project home page, resource information pages, how-to documentation, example code snippets, thumbnail image, or other relevant information about the service.

• RelatedURLs types are keywords that describe the distinct content type of the online resource. 
• A Description should explain what the web page is at the RelatedURL. 
• The Format describes the organization of the service/data content so that users and applications know how to read and use the content.

• The MimeType is the multi-purpose internet mail extensions indicates the nature and format of the service/data that is accessed through the URL.

Best Practices

The Related URLs element allows for the linkage of a metadata record to external resources or locations on the web. When used properly, this element allows users to quickly and easily access information related to the service including:

• A landing page for the service
• A user's guide and/or comparable documentation which provides important information about how to use the service 
• The project home page of the service
• Relevant documentation
• Read-Me files
• Service citation policies
• Visualizations generated from the service
• OpenSearch Description Document (OSDD) links
• Any other documentation directly related to the service (examples include: data recipes, micro articles, service quality assessment documentation, important announcements, etc.) 

The following URLContentTypes are relevant for Service RelatedURLs:

• Collection URL: These types of URLs provide links to collections related to the service, service landing pages, and project home pages. See KMS for more information. 
• Publication URL: These types of URLs provide links to relevant documentation, publications related to the service, data recipes for the service, and user guides. See KMS for more information.  
• Visualization URL: These types of URLs provide links to visualizations related to the service. See KMS for more information. 

Examples:

RelatedURLs/URL: https://sedac.ciesin.columbia.edu/data/set/gpw-v4-population-density-rev11?_ga=2.86809936.995738450.1668986365-100546444.1668387933

RelatedURLs/Description: Access the Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11 2000 Map Layer

RelatedURLs/URLContentType: CollectionURL

RelatedURLs/Type: DATA SET LANDING PAGE

RelatedURLs/URL: https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guide

RelatedURLs/Description: NASA Earthdata Cloud Data Access Guide

RelatedURLs/URLContentType: PublicationURL

RelatedURLs/Type: VIEW RELATED INFORMATION

Element Specification

Metadata Validation

All records undergo CMR schema and business rule validation before entering the system. 

• The 'URL' element is required.
  • Must contain at least 1 character and be no longer than 1024 characters in length.
• The 'Description' element must contain at least 1 character and be no longer than 4000 characters in length.
• The 'URLContentType' element is required.
  • Must contain at least 1 character and be no longer than 80 characters in length.
  • The 'URLContentType' element must be a subset of the list and only be
    • Collection URL
    • Publication URL
    • Visualization URL
• The 'Type' element is required.
  • Must contain at least 1 character and be no longer than 80 characters in length.
• The 'Subtype' element is required.
  • Must contain at least 1 character and be no longer than 80 characters in length.
• The 'Format' element must contain at least 1 character and be no longer than 4000 characters in length.
• The 'MimeType' element must contain at least 1 character and be no longer than 80 characters in length.

History

UMM Versioning