PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many glass floor systems are not just squares or rectangles and are of unusual shapes such as circles, ovals, triangles and trapezoids.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usglassmag.com