About: http://webisa.webdatacommons.org/8071003

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 ground networks and navigation satellites (currently in particular GPS) are crucial in positioning, with applica- tions to all SBAs.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net