PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fossil fuels such as coal and petroleum have a high carbon content, thus releasing greenhouse gasses like CO2 when burned.
http://www.w3.org/ns/prov#wasQuotedFrom
  • modernenviro.com