PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As described earlier, carbon dioxide is a greenhouse gas that acts as a blanket surrounding the earth and traps in heat from the sun's rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yale.edu