<http://example.org/dt#Jenny> <http://example.org/dt#birthDate> _:x .
_:x <http://example.org/dt#USdate> "05-08-67" .

<http://example.org/dt#Jenny> <http://example.org/dt#birthDate> _:y .
_:y <http://example.org/dt#UKdate> "08-05-67" .

<http://example.org/dt#Jenny> <http://example.org/dt#age> _:z .
_:z <http://www.w3.org/2002/rdf-datatyping#lex> "35" .

<http://example.org/dt#John> <http://example.org/dt#age> "35" .