<http://webisa.webdatacommons.org/prov/312161073>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/186816422> .
<http://webisa.webdatacommons.org/186816422>	<http://www.w3.org/ns/prov#value>	"Format ??? There are two types of audio files: compressed and uncompressed." .
<http://webisa.webdatacommons.org/186816422>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/186816422>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<berkeley.edu> .