RDF has a model and a serialization in XML+Namespaces
The title of http://www.w3.org/
is "World Wide Web Consortium
(W3C)".
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/">
<rdf:Description about="http://www.w3.org/">
<dc:title>World Wide Web Consortium (W3C)</dc:title>
</rdf:Description>
</rdf:RDF>