@prefix : <foo://bla/meta#>.
@prefix persons: <foo://bla/persons/>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#>.
  :world :has_pope persons:jorgebergoglio .
  :world :has_pope [ :name "Franziskus" ] .
  :has_pope rdf:type owl:FunctionalProperty.