About: http://webisa.webdatacommons.org/320887172

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	incident surface, wherein the object is an image formed on a light exit side of said light incident surface by another optical member and said light incident surface is a convex surface. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com