PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Indeed, the points of the hyperbola are now such that the difference of the distances to the foci is a constant, as displayed below.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science4all.org