About: http://webisa.webdatacommons.org/396167355

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	If the polygon is a unit square, $ABCD$, let the path begin at $A$.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com