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v2026.1714 entries · CC-BY 4.0
CASRAI
Dictionary termTrack BStablev2026.2

World Data System certification

Historic certification programme of ICSU's World Data System (WDS) under which scientific data centres in geosciences and related fields were certified as trustworthy; merged with the Data Seal of Approval in 2017 to form CoreTrustSeal.

ByCASRAI Editorial Board
· Last updated 21 May 2026

Examples

Worked examples

  • Is an instance

    NOAA's National Centers for Environmental Information as a WDS Regular Member.

  • Is an instance

    A geomagnetic data centre originally WDS-certified and now CoreTrustSeal-certified.

Counter-examples

Looks similar, but isn't

  • Not an instance

    A general-purpose institutional repository is unlikely to have held WDS certification.

  • Not an instance

    A commercial cloud provider is not WDS-certified.

Editorial commentary

Pre-2017, WDS Regular Members and Network Members underwent a certification process focused on the operations of scientific-data centres. From 2017, WDS shifted its certification function into the joint CoreTrustSeal scheme while continuing to operate the World Data System as a coordinating body for data-stewarding scientific organisations under ISC (formerly ICSU). Many WDS Regular Members today hold CoreTrustSeal certification.

References

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Also known as

WDS certification · ICSU-WDS certification

Machine-readable encodings

Use in your systems

JATS XML <role> element
xml
<role vocab="credit"
      vocab-identifier="https://casrai.org/dictionary/"
      vocab-term="World Data System certification"
      vocab-term-identifier="https://casrai.org/dictionary/term/wds-certification" />
Schema.org DefinedTerm (JSON-LD)
json
{
  "@context": "https://schema.org",
  "@type": "DefinedTerm",
  "name": "World Data System certification",
  "identifier": "https://casrai.org/dictionary/term/wds-certification",
  "description": "Historic certification programme of ICSU's World Data System (WDS) under which scientific data centres in geosciences and related fields were certified as trustworthy; merged with the Data Seal of Approval in 2017 to form CoreTrustSeal.",
  "inDefinedTermSet": "https://casrai.org/dictionary/domain/research-data-infrastructure/",
  "url": "https://casrai.org/dictionary/term/wds-certification",
  "sameAs": [
    "WDS certification",
    "ICSU-WDS certification"
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/"
}
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Referenced across the research world

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