Comparing RDF/XML & XML

  <Person xmlns="http://example.org/foofoo/">
    <name>Mark Smith</name>
    <age>55</age>
  </Person>

• XML+Namespaces specs only tells you the namespace and the structure
• RDF spec tells you
• there's a "Person" with "name" of ...
• the URIs for all terms
• terms may be opaque to app, but can be looked-up via GET!
• that you can add new properties (and other stuff) without breaking any apps