About: http://webisa.webdatacommons.org/411931318

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	The actual emission area depends upon the type of emitter and other factors such as whether a lens, light guide or other optical element is provided to focus or guide the emitted light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca