Error

report=FatalError: Content is not allowed in prolog.[Line = 1, Column = 1]



RDF=<?xml version="1.0">

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
<http://www.w3.org/1999/02/22-rdf-syntax-ns>> .

@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#
<http://www.w3.org/2000/01/rdf-schema>> .

@prefix ns0: <http://sw.edu/# <http://sw.edu/>> .



<http://sw.edu/#germany> a <http://sw.edu/#country> .

<http://sw.edu/#capital_of>

  a rdf:Property ;

  rdfs:domain <http://sw.edu/#city> ;

  rdfs:range <http://sw.edu/#country> .



<http://sw.edu/#country>

  a rdfs:Class ;

  rdfs:label "Land"@de .



<http://sw.edu/#berlin>

  rdfs:label "Berlin"@en ;

  a <http://sw.edu/#city> ;

  ns0:capital_of ns0:germany .



ns0:city

  a rdfs:Class ;

  rdfs:label "Stadt"@de .