# SKOS Simple Knowledge Organization System - a W3C standard data model, expressed in RDF, for representing controlled vocabularies such as thesauri, taxonomies, and classification schemes. > [!info]- Canonical definition > This term is maintained in the [[vocab|PKM Vocabulary]] SKOS source, not here. > `pkmv:SKOS` · [term page](https://w3id.org/pkm/vocab/SKOS) · [Turtle](https://w3id.org/pkm/vocab/terms/SKOS.ttl) ## Scope The core standard underpinning this vocabulary and the SKOS Editor tool itself; concepts, schemes, and relationships here are all expressed using SKOS. ## Broader - [[Standard (Term)|Standard]] — generic (ISO 25964) - [[W3C Standard (Term)|W3C Standard]] ## Collections - [[Concept Collection (Collection)|Concept Collection]] - [[Semantic Web Standards (Collection)|Semantic Web Standards]] --- #vocab/term · created 2026-08-27 · modified 2026-08-28