<http://caligraph.org/ontology/Tractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Tractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tractors> .
<http://caligraph.org/ontology/Tractor>	<http://www.w3.org/2000/01/rdf-schema#label>	"Tractor" .
<http://caligraph.org/ontology/John_Deere_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Allis-Chalmers_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Oliver_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Cockshutt_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Massey_Ferguson_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Monowheel_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/International_Harvester_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Lawn_and_garden_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Ford_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Tractor_of_the_Soviet_Union>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Sea-going_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://www.w3.org/2002/07/owl#Thing> .
<http://caligraph.org/ontology/Artillery_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .
<http://caligraph.org/ontology/Porsche_tractor>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tractor> .