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One for the FAQs, from Jeen on swig list:
rdf:about is not an actual property, but is simply a bit of syntax in the RDF/XML serialization that is used to denote the subject of a triple. It does not occur in the RDF graph and can not be queried through SPARQL (or any other RDF query language that I know of). For example: <rdf:Description rdf:about="#myCar"> <ex:hasColor>red</ex:hasColor> </rdf:Description> The 'rdf:about' attribute is not a property, it just denotes that "myCar" is the subject of the RDF triple (:myCar ex:hasColor "red").
rdf:about is not an actual property, but is simply a bit of syntax in the RDF/XML serialization that is used to denote the subject of a triple. It does not occur in the RDF graph and can not be queried through SPARQL (or any other RDF query language that I know of).
For example:
<rdf:Description rdf:about="#myCar"> <ex:hasColor>red</ex:hasColor> </rdf:Description>
The 'rdf:about' attribute is not a property, it just denotes that "myCar" is the subject of the RDF triple (:myCar ex:hasColor "red").
Graham provides the spec refs.
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