About: http://webisa.webdatacommons.org/330111252

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 the case where a new polygon is to be drawn in front of the mask polygon, the new polygon is drawn in a region other than a region superimposed on the mask polygon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com