<http://webisa.webdatacommons.org/prov/277101444>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/277100795> .
<http://webisa.webdatacommons.org/277100795>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<marginalrevolution.com> .
<http://webisa.webdatacommons.org/277100795>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/277100795>	<http://www.w3.org/ns/prov#value>	"Electricity is a commodity." .