About: http://webisa.webdatacommons.org/257020077

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	In another alternative, overlay 2550 does not necessarily show roads, but rather illustrates geographic areas, such as quadrants (NW, NE, SW, SE) or boundaries of cities.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk