About: http://webisa.webdatacommons.org/222812728

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	Navigational instruments include global positioning satellite (GPS) systems, compasses, range and depth finders, map measurers, and other items.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com