PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ETS, the world???s biggest carbon trading scheme, seeks to reduce CO2 emissions by requiring companies such as energy suppliers and oil and gas conglomerates to pay for their pollution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • truthdig.com