<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/tennisSurfaceType>	"Clay/ outdoor" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:July_1981_sports_events_in_Europe> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/1981_Dutch_Open_(tennis)> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_tennis_tournaments> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/2000/01/rdf-schema#label>	"1981 Dutch Open (tennis)" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/championInSingleMale>	<http://caligraph.org/resource/Bal%C3%A1zs_Tar%C3%B3czy> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"1981" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tennis_tournaments_by_continent> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/category>	<http://caligraph.org/resource/1981_Grand_Prix_(tennis)> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/July_1981_sports_event_in_Europe> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/championInDoubleMale>	<http://caligraph.org/resource/Heinz_G%C3%BCnthardt> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tennis_tournaments_by_country> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Hilversum> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tennis_tournaments> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/championInDoubleMale>	<http://caligraph.org/resource/Bal%C3%A1zs_Tar%C3%B3czy> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tennis_tournaments_by_surface> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://caligraph.org/ontology/budget>	"75000.0" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Dutch Open" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"1981 Dutch Open (tennis)" .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Sports_competitions_in_Hilversum> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Tennis_tournament> .
<http://caligraph.org/resource/1981_Dutch_Open_(tennis)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Sports_competition_in_Hilversum> .