<http://webisa.webdatacommons.org/151436327>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/471064041>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/151436327> .
<http://webisa.webdatacommons.org/151436327>	<http://www.w3.org/ns/prov#value>	"As with oil and gas, there is an issue of needing to extract ever lower-quality resources, from greater depths." .
<http://webisa.webdatacommons.org/151436327>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<businessinsider.com> .