Alaska Region Metadata Guide
  • Alaska Region Interim Metadata Guide
    • Other Training Resources
  • Goals of Data Management
  • Project & Data Management Integration
  • Alaska Region Tools
    • Alaska Regional Data Repository
    • Metadata Standard Checklist
    • Contact Master List
    • mdEditor basics
      • Record Types
      • mdJSON vs. mdEditor files
      • Settings
      • Profiles and Schemas
      • Import Records
      • Copy Records
      • Export Records
      • I Need HELP! and Bug Reporting
    • Digital Object Identifiers (DOIs)
    • Data.gov
  • Creating Metadata
    • A Workflow At A Glance
  • Contact Entry Guidance
    • Organization Contacts
    • Individual Contacts
  • Project Metadata Guidance
    • Project Main Tab
      • Guide to Good Titles
    • Project Metadata Tab
    • Project Keywords Tab
    • Project Extent Tab
    • Project Taxonomy Tab
    • Project Distribution Tab
    • Project Funding Tab
    • Project Associated Tab
  • Product Metadata Guidance
    • Product Main Tab
      • Resource Types Defined
    • Product Metadata Tab
    • Product Keywords Tab
    • Product Extent Tab
    • Product Lineage Tab
    • Product Taxonomy Tab
    • Product Distribution Tab
    • Product Constraints Tab
    • Product Associated Tab
  • Product Dictionary Entry Guidance
    • Dictionary Main Tab
    • Dictionary Entities Tab
    • Dictionary Domain Tab
  • Glossary
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On this page
  • How to add Keywords to your Project
  • Project Required Keywords
  • GCMD Keywords (Required)
  • ISO Topic Category (Required for spatial data)
  • Custom Thesaurus

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  1. Project Metadata Guidance

Project Keywords Tab

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Last updated 3 years ago

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Keywords are the mechanism to tag your project and products and serve to improve search and discovery of the metadata within a metadata catalog. mdEditor is designed using existing thesauruses that contain pre-defined keywords. Custom thesaurus can also be used.

How to add Keywords to your Project

  1. Click “+ Add Thesaurus” on the right to add the different thesauruses.

  2. Choose the desired thesaurus from the list of options.

  3. Select desired keywords from the following pre-populated thesauruses.

  4. If none of the keywords are sufficient for tagging your project, you can add other keywords with a custom thesaurus.

Project Required Keywords

GCMD Keywords (Required)

GCMD stands for Global Change Master Directory and these keywords are maintained by NASA. Search for relevant and useful keywords in the GCMD Science Keywords. There are GCMD Platforms and Instruments Keyword thesaurus as well. At least one GCMD keyword is required.

ISO Topic Category (Required for spatial data)

Because mdJSON metadata is based on the International Organization for Standardization (ISO) metadata standard, a project should select at least one ISO Topic Category. ISO topics are required for spatial data. mdEditor provides definitions of each ISO topic category if you hover over the '?' icon.

FDGC provides guidance on .

'Biota' and 'environment' are probably the best fit for most FWS projects.

Custom Thesaurus

If any of your desired keywords do not appear in the existing thesauruses, you can add them via the custom thesaurus. Use a custom thesaurus only for keywords that are not available in an existing thesaurus. Users cannot add keywords to an existing thesaurus; you can only add keywords in a custom thesaurus.

geospatial metadata standards
Example GCMD Science keywords and ISO topic keywords entry