<http://webisa.webdatacommons.org/prov/228758631>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/278789452> .
<http://webisa.webdatacommons.org/278789452>	<http://www.w3.org/ns/prov#value>	"trade is a product of opposing forces: supply and demand, and, in" .
<http://webisa.webdatacommons.org/278789452>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/278789452>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .