PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nitrous oxide is a powerful greenhouse gas itself about 300 times more powerful per molecule than carbon dioxide thus cancelling out about two-thirds of the apparent gain from the carbon dioxide removal, Duce explained.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bio-medicine.org