About: http://webisa.webdatacommons.org/90221180

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	In that case, second known portion 434 is a portion that includes first portion 432 plus a part of the previously masked surface (an adjacent portion radially outside first known portion 432).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com