<http://caligraph.org/ontology/Observation_tower_in_North_Rhine-Westphalia>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Observation_towers_in_North_Rhine-Westphalia> .
<http://caligraph.org/ontology/Observation_tower_in_North_Rhine-Westphalia>	<http://www.w3.org/2000/01/rdf-schema#label>	"Observation tower in North Rhine-Westphalia" .
<http://caligraph.org/ontology/Observation_tower_in_North_Rhine-Westphalia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_North_Rhine-Westphalia> .
<http://caligraph.org/ontology/Observation_tower_in_North_Rhine-Westphalia>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Observation_tower_in_North_Rhine-Westphalia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Observation_tower_in_Germany> .