PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Polyethylene is a plastic produced by the polymerisation of ethylene.It is used in making cars, for packaging both industrial and consumer products, and to manufacture cables and pipes such as water and gas distribution pipes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemicalprocessing.com