About: http://webisa.webdatacommons.org/270644263

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	However, such devices do not use a mask spaced from the screen so that all that is produced on the screen is an image of the light source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com