<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/World_Championship_Tennis> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/US_Open_(tennis)_champion> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Open_Era_Grand_Slam_champion> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Racket_sportsperson> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/20th-century_birth> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/2000/01/rdf-schema#label>	"Okker" .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Grand_Slam_(tennis)_champion_in_men\u0027s_doubles> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Male_tennis_player> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Sportsperson> .
<http://caligraph.org/resource/Okker_(18616388)>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Okker" .