<http://webisa.webdatacommons.org/prov/395010044>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158091352> .
<http://webisa.webdatacommons.org/158091352>	<http://www.w3.org/ns/prov#value>	"An integrating sphere is a device used to test and measure certain properties of a light source." .
<http://webisa.webdatacommons.org/158091352>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/158091352>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .