About: http://webisa.webdatacommons.org/233289815

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 known surface may also or instead include a camera lens or other optical element that separates sensors from a gaseous medium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com