PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cavity walls are our preferred method of building, because it allows the use of several different types of insulation, many of which are more ???environmentally friendly??? than rigid foam insulation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • midwestearthbuilders.com