<http://caligraph.org/ontology/Water_polo_player_at_the_1948_Summer_Olympics>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Water_polo_players_at_the_1948_Summer_Olympics> .
<http://caligraph.org/ontology/Water_polo_player_at_the_1948_Summer_Olympics>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Olympic_water_polo_player> .
<http://caligraph.org/ontology/Water_polo_player_at_the_1948_Summer_Olympics>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Water_polo_player_at_the_1948_Summer_Olympics>	<http://www.w3.org/2000/01/rdf-schema#label>	"Water polo player at the 1948 Summer Olympics" .