About: http://webisa.webdatacommons.org/312584202

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	(1) The electrically controlled spatial filter is an optical filter whose transmission, reflection or other optical property are controllable at each point of the filter in space.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com