<http://rdfa.info/test-suite/test-cases/xhtml1/rdfa1.0/0104.xml#interfenestration> <http://www.example.org/size> _:a .
_:a <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "17" .
_:a <http://www.example.org/unit> "character" .