About: http://webisa.webdatacommons.org/32802142

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	Accordingly, there is a need for a gyroscopic system which can accurately determine north and avoids the errors of the systems of the prior art.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com