About: http://webisa.webdatacommons.org/204517972

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	This may be accomplished, for example, by defining boundaries for areas of analysis, which may be circles, rectangles, squares or other geometric shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com