<http://webisa.webdatacommons.org/148577162>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<rexresearch.com> .
<http://webisa.webdatacommons.org/148577162>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/480701370>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148577162> .
<http://webisa.webdatacommons.org/148577162>	<http://www.w3.org/ns/prov#value>	"energy, such as light or infrared, is centered on a suitable photocell" .