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This is an archived WebSchemas proposal SKOS for schema.org. See Proposals listing for more. Note: active schema.org development is now based at github


Collaborative work to enrich Schema.org with support for controlled vocabularies web publication with a SKOS description of concepts and schemes.

There has been two major discussion threads on adopting SKOS in schema.org: Schema.org for glossary, controled vocabulary, thesaurus... publication - which class to use ? in early 2012 and the more recent and longer Should we adopt SKOS? (early 2013). Both threads are in favor of seeing schema.org adopt a SKOS-like set of terms.


  • Jean Delahousse posted a proposal on January 10 2013, which was exported (by Stéphane Corlosquet) from original Word .docx: File:Skos-schema.org-v1.pdf. This proposal has been reviewed by Antoine Isaac and Romain Wenz.
Schema.org SKOS SKOS label SKOS definition
name prefLabel preferred label The preferred lexical label for a resource, in a given language
inEnumeration inScheme is in scheme A concept may be a member of more than one concept scheme
Enumeration ConceptScheme


We propose to introduce a new sub-class of Intangible : Concept, mapped with skos:Concept. The class Enumeration is considered as equivalent to skos:ConceptScheme. We propose to add a property to Enumeration : hasTopConcept.

Open questions:



Use cases

Todo: list people / organizations who are supporting this proposal.