PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • vinylaromatics such as styrene, ??-methylstyrene, vinyltoluene or p-tert-butylstyrene;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com