About: http://webisa.webdatacommons.org/355532580

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	e of environmental light, such as sunlight and light from lighting fixtures, incident on the projection screen to increase image contrast, thereby further improving image visibility.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com