PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tubular components 22 are preferably formed of a polymeric material such as a polypropylene, polyvinylchorlide, polyethylene, blends thereof, or other like materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es