PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon credit is a system that allows a company or country which reduces its carbon dioxide emissions below a targeted level to sell the extra reduction as credit to a company or country which has not met the target level.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com