<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_composer_George%20Gershwin> .
<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Songs_with_music_by_George_Gershwin> .
<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Song> .
<http://caligraph.org/ontology/Song_from_George_and_Ira_Gershwin_musicals>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin> .
<http://caligraph.org/ontology/Song_from_Porgy_and_Bess>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin> .
<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin>	<http://www.w3.org/2000/01/rdf-schema#label>	"Song with music by George Gershwin" .
<http://caligraph.org/ontology/Song_with_music_by_George_Gershwin>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .