<http://webisa.webdatacommons.org/prov/210061189>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320507837> .
<http://webisa.webdatacommons.org/320507837>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<linuxquestions.org> .
<http://webisa.webdatacommons.org/320507837>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/320507837>	<http://www.w3.org/ns/prov#value>	"ac3 is a standard audio format for many Video DVDs that use NTSC." .