About: http://webisa.webdatacommons.org/44437363

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	I ended up drawing the biggest rectangle by subdividing my problem area up into a grid of n by n squares (where n was a relatively large, yet sensible for my problem domain, size), checking if the four corners were all inside the poly.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com