<http://webisa.webdatacommons.org/prov/312937968>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/249249160> .
<http://webisa.webdatacommons.org/249249160>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<silver-phoenix500.com> .
<http://webisa.webdatacommons.org/249249160>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/249249160>	<http://www.w3.org/ns/prov#value>	"Today photography consumes most of the silver, tomorrow it will be electronics and other new technologies that may rival photography in their demand." .