PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These releases can be deliberate, as when natural gas is flared or vented from oil wells, emitting mostly methane and carbon dioxide, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usask.ca