PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The formula below returns airspeed in percentage of Mach and may be adjusted to calculate speed in miles per hour, knots or other unit of measure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au