PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Eugene Robinson: The most respected, or at least credentialed, skeptics -- such as Prof. Richard Lindzer of MIT -- do not deny that carbon dioxide is a greenhouse gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com