<http://webisa.webdatacommons.org/319746601>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<w3.org> .
<http://webisa.webdatacommons.org/prov/389053804>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319746601> .
<http://webisa.webdatacommons.org/319746601>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/319746601>	<http://www.w3.org/ns/prov#value>	"by database engines such as Oracle or MySQL. Others use custom file formats" .