<http://webisa.webdatacommons.org/402444236>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<energysavingindustry.com> .
<http://webisa.webdatacommons.org/prov/269926093>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402444236> .
<http://webisa.webdatacommons.org/402444236>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/402444236>	<http://www.w3.org/ns/prov#value>	"In illuminating engineering, however, light is a physical entity???radiant energy weighted by the luminous efficiency function." .
<http://webisa.webdatacommons.org/prov/157682269>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402444236> .