About: http://webisa.webdatacommons.org/441286037

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	Further, as shown in FIGS. 8A and 8B, the convex portion 2 may be formed as various kinds of curved surfaces containing a spherical surface, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com