About: http://webisa.webdatacommons.org/66567162

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	External sensor 49 may conveniently be any sensor which provides information useful for updating position information for dead reckoning including direction,
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com