PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coal-based power involve environmental concerns relating to emissions of suspended particulate matter (SPM), sulfur dioxide (SO2), nitrous oxide, carbon dioxide, methane and other gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecoworld.com