PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coal burning releases carbon dioxide and other greenhouse gases, sulfur oxides and other contributors to acid rain, and mercury and other health-harming contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stanford.edu