@prefix : <foo://bla/names#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
#   :age rdfs:range xsd:int.
   <foo://bla/cats/garfield> rdf:type :Cat.
   <foo://bla/persons/john> :age <foo://bla/cats/garfield>.