PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Quantum theory shows that the position and the speed of a quantum, such as a photon or an electron, cannot both be known exactly.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachervision.com