About: http://webisa.webdatacommons.org/329674688

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If the light source to be controlled is an artificial source, say an incandescent lamp, the light incidence can be regulated by modifying the intensity of the constant light source instead of by adjustment of the diaphragm 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com