About: http://webisa.webdatacommons.org/166822957

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	This can occur only in a reference frame which either has a gravitational field or is accelerating due to a force other than gravity defining a downward direction (that is, a non-inertial reference frame).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com