PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Suitable nonmetallic alternatives include polymers, for example polyester and polyethylene terephthalate (PET).
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com