PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The burning of fossil fuels such as coal, petroleum and natural gas are the single largest source of human activities that release CO2 into the atmosphere.[3]
http://www.w3.org/ns/prov#wasQuotedFrom
  • instituteforenergyresearch.org