PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This book starts with chapters on the measurement of Time and Space, followed by chapters designed to distinguish among Speed, Velocity, and three types of Acceleration.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aapt.org