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Filename extension
Internet media type
Developed byWorld Wide Web Consortium
Type of formatSemantic Web
Container forRDF data
Extended fromXML

RDF/XML is a syntax,[1] defined by the W3C, to express (i.e. serialize) an RDF graph as an XML document. RDF/XML is sometimes misleadingly called simply RDF because it was introduced among the other W3C specifications defining RDF and it was historically the first W3C standard RDF serialization format.

RDF/XML is the primary exchange syntax for OWL 2, and must be supported by all OWL 2 tools.[2]


  1. ^ RDF/XML Syntax Specification, W3C
  2. ^ "OWL 2 Web Ontology Language Document Overview (Second Edition)". www.w3.org. W3C. 11 December 2012. Retrieved 23 May 2022.

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