PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CO2 is a constituent of many gaseous effluent streams released from industrial processes and whose release into the atmosphere is causing increasing concern.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com