About: http://webisa.webdatacommons.org/186355288

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 positioning system is a mechanism for determining the location of an object in space.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org