About: http://webisa.webdatacommons.org/102057510

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 present application, the term polygonal is used to denote any shape including at least two line segments, such as rectangles, trapezoids, and triangles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk