PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Industrially preferred is styrene, p-methylstyrene or ??-methylstyrene, and particularly preferred is styrene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com