<http://caligraph.org/ontology/Dutch_Top_40_number-one_single_of_1972>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Dutch_Top_40_number-one_single_of_1972>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://www.w3.org/2002/07/owl#Thing> .
<http://caligraph.org/ontology/Dutch_Top_40_number-one_single_of_1972>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_Dutch_Top_40_number-one_singles_of_1972> .
<http://caligraph.org/ontology/Dutch_Top_40_number-one_single_of_1972>	<http://www.w3.org/2000/01/rdf-schema#label>	"Dutch Top 40 number-one single of 1972" .