About: http://webisa.webdatacommons.org/100901029

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	The other systems might be, for example, a positioning system such as GPS or local positioning systems in which position is determined from the ability to communicate with a local access point.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com