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SKOS Simple Knowledge Organization System

Represents concept schemes, labels, semantic relations, and mappings between concepts.

Identity and normative owner

Record: skos; record authority: Modeling. Normative owner of subject: World Wide Web Consortium (W3C). Resource reference: https://www.w3.org/TR/skos-reference/ Registration is for discovery, not adoption, endorsement, or transfer of normative ownership.

Editions

  • 2009-08-18: W3C Recommendation. Named edition for identification, not a claim that it is the newest edition.

Distributions and references

  • skos-documentation — documentation, text/html, en. Rights are assessed per distribution in the record. Unassessed rights do not imply permission to redistribute.

Verification scope

  • metadata-observed (2026-09-17): Landing-page/specification metadata only; no distribution bytes, legal clearance, current-latest guarantee, or implementation conformance was verified.

Cautions

  • Do not replace exactMatch or closeMatch with owl:sameAs. Broader/narrower concepts are not automatically subclass relations.