PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These fuels feature a blend of bio-fuels, such as bio-diesel or bio-ethanol, and mineral fuel,
http://www.w3.org/ns/prov#wasQuotedFrom
  • petrolprices.com