PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The invention has particular application to the conversion of heavy oils such as petroleum residua to very low molecular weight unsaturates such as ethylene, propylene, butadiene, butylene and C diolefins and to benzene and other low boiling aromatic hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com