@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#>.
   :has_cat rdfs:domain :Person .
   :has_cat rdfs:range :Cat .
   :Person rdfs:subClassOf :LivingBeing .
   :Cat rdfs:subClassOf :LivingBeing .
   <foo://bla/persons/john> :has_cat <foo://bla/cats/garfield>.
   <foo://bla/persons/mary> rdf:type :Person.