PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lastly, since a Retaining Wall is much like a dam trying to hold the pressure of the soil as well as dealing with soil settling and the destructive heaving and displacement by frost, weight is a critical factor in its design and heavy stone blocks work best.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sandiegoretainingwall.com