PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • What is known, though, is that Bakken crude tends to have higher concentrations of ethane, butane, propane and other natural gas liquids, components that increase flammability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ajot.com