About: http://webisa.webdatacommons.org/176261847

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	For example, if distance > 50km is a zero, then choose enough anchor coordinates to canvas the map with circles with radius 25km and overlap.
http://www.w3.org/ns/prov#wasQuotedFrom	search-hadoop.com