PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, a retro-reflector is an example of a tri-planar surface for which each of the underlying planar surfaces are orthogonal to one another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com