PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Usually, the polymerization product is a homopolymer such as polyethylene or polypropylene, particularly polypropylene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com