RDF Schema [Dido Solutions, Inc Wiki]

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====== RDF Schema ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]

===== Discussion =====

RDF Schema provides a W3C data-modeling vocabulary for [[dido:99_annexes:annex-b-terms-and-definitions:r:rdf|RDF]] data. RDF Schema extends the basic RDF vocabulary with constructs for describing classes, properties, subclass relationships, subproperty relationships, domains, and ranges.

RDF Schema supports semantic interpretation of RDF graphs by defining vocabulary-level relationships and constraints. RDF Schema provides more structure than RDF alone and less expressive power than [[dido:99_annexes:annex-b-terms-and-definitions:o:owl|OWL]].

RDF Schema differs from a general [[dido:99_annexes:annex-b-terms-and-definitions:s:schema|schema]]. RDF Schema specifically defines vocabulary structure for RDF data.

===== Definition =====

//data-modeling vocabulary for describing classes, properties, and vocabulary relationships in RDF data//

===== Source =====

W3C RDF Schema 1.1; specialized for use in the FX Demo Reference Architecture.

===== Note =====

RDF Schema is not equivalent to [[dido:99_annexes:annex-b-terms-and-definitions:o:owl|OWL]]. RDF Schema provides basic vocabulary modeling for RDF data. OWL provides a more expressive [[dido:99_annexes:annex-b-terms-and-definitions:o:ontology_language|ontology language]] with formally defined meaning for the Semantic Web.

===== Example =====

An RDF Schema model defines ''FXTrade'' as a class, ''ConfirmedFXTrade'' as a subclass of ''FXTrade'', and ''hasCounterparty'' as a property whose domain is ''FXTrade''.

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