PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In March last year, GOCE produced the most accurate ???geoid??? yet produced, representing a worldwide surface of equal gravitational potential, equivalent to the shape the global ocean would follow if unaffected by winds, currents or other perturbing forces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • esa.int