<http://caligraph.org/ontology/Audio_codec>	<http://www.w3.org/2000/01/rdf-schema#label>	"Audio codec" .
<http://caligraph.org/ontology/Free_audio_codec>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Audio_codec> .
<http://caligraph.org/ontology/Audio_codec>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Lossless_audio_codec>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Audio_codec> .
<http://caligraph.org/ontology/Audio_codec>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Audio_codecs> .
<http://caligraph.org/ontology/Audio_codec>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Codec> .
<http://caligraph.org/ontology/Speech_codec>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Audio_codec> .