PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, in the global roofing market, asphalt products face competition from many other materials, including clay and concrete tile, metal, and fiber cement.
http://www.w3.org/ns/prov#wasQuotedFrom
  • prweb.com