About: http://webisa.webdatacommons.org/274524073

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	A region here is simply a list of rectangles which supports operations such as union and intersect.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com