@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix mon: <http://www.semwebtech.org/mondial/10/meta#>.
@prefix : <foo:bla#>.
:Berlin owl:equivalentClass [ a owl:Restriction;
   owl:onProperty mon:name; owl:hasValue "Berlin"].