PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a greenhouse gas, which holds the heat of the Sun against the Earth like the glass of a greenhouse, rather than letting it escape back out into space.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amazon.com