<http://www.example.org/> <http://purl.org/dc/elements/1.1/title> "E = mc<sup xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\">2</sup>: The Most Urgent Problem of Our Time"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> .
