About: http://webisa.webdatacommons.org/371485543

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http://www.w3.org/ns/prov#value	Since it is known that ephemeris is no longer valid after a certain time period such as 4 to 6 hours, the handset can invalidate the stored ephemeris after this time period expires.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es