About: http://webisa.webdatacommons.org/34140457

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	Such information may be provided by any of the conventionally available commercial equipment commonly used for determining such information such as conventional ship's instrumentation and navigation and dead reckoning equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com