RDF

RDF = Resource Description Framework,W3C Rec since Feb 1999

• Provides XML-based syntax(es) for a semantic net
• Defines basic concepts:
  • statement = object + property + value
  • class & subclass
  • resources are everything that can be described by an URI
  • properties are named resources, ex: Author
• In PhotoRDF, triples are <image URI> + property + value