About: http://webisa.webdatacommons.org/247885378

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	ially in the shape of a square, parallelogram, rectangle or other polygon or irregular shape, the diameter is the average of the distance between opposite vertices (sides).
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca