@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix travel: <http://www.semwebtech.org/domains/2006/travel#>.
@prefix cars: <http://www.semwebtech.org/domains/2006/industry/cars#>.
@prefix vw: <http://www.semwebtech.org/domains/2006/industry/cars/vw/>.
@prefix audi: <http://www.semwebtech.org/domains/2006/industry/cars/audi/>.
@prefix opel: <http://www.semwebtech.org/domains/2006/industry/cars/opel/>.
@prefix ford: <http://www.semwebtech.org/domains/2006/industry/cars/ford/>.
@prefix mb: <http://www.semwebtech.org/domains/2006/industry/cars/mb/>.
@prefix bmw: <http://www.semwebtech.org/domains/2006/industry/cars/bmw/>.
@prefix citroen: <http://www.semwebtech.org/domains/2006/industry/cars/citroen/>.
@prefix toyota: <http://www.semwebtech.org/domains/2006/industry/cars/toyota/>.
@prefix vauxhall: <http://www.semwebtech.org/domains/2006/industry/cars/vauxhall/>.
@prefix airports: <bla://sw.iata.org/airports/>.
@prefix : <http://www.semwebtech.org/domains/2006/travel/onto-rent#>.

:Branch a owl:Class.
:Offer a owl:Class.
:has-branch rdfs:range :Branch.
:has-offer rdfs:domain :Branch; rdfs:range :Offer.
:model rdfs:range cars:Model.
[ a travel:car-rental;
  :has-branch :frankfurt, :munich, :paris, :london, :lisbon].
:frankfurt travel:located airports:FRA;
  :has-offer
  [ :model vw:golf; :price 60],
  [ :model audi:A4; :price 80],
  [ :model audi:A6; :price 100].

:paris travel:located airports:CDG;
  :has-offer
  [ :model citroen:c2; :price 35],
  [ :model vw:golf; :price 65],
  [ :model citroen:c4; :price 45],
  [ :model citroen:c5; :price 60].

:london travel:located airports:LON;
  :has-offer
  [ :model vauxhall:astra; :price 50],
  [ :model ford:focus; :price 45],
  [ :model ford:mondeo; :price 80].