About: http://webisa.webdatacommons.org/287173199

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	The input is in a form of the line vertexes A1/A2, B1/B2 that creates diagonals (rather then sequential vertexes):
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com