<http://webisa.webdatacommons.org/101651915>	<http://www.w3.org/ns/prov#value>	"Moreover, as the mining of unconventional oil and gas resources such as shale gas and shale oil, and bio-ethanol, wind and solar energy development continue to face technical, environmental and cost constraints, big leaps in their production remain to be realized." .
<http://webisa.webdatacommons.org/prov/330874902>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101651915> .
<http://webisa.webdatacommons.org/prov/331099985>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101651915> .
<http://webisa.webdatacommons.org/101651915>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<chinadaily.com.cn> .
<http://webisa.webdatacommons.org/101651915>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .