PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pipelines are the safest way of transporting oil and natural gas, and we need more of them, without delay.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • priceofoil.org