PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Supporters of a U.S. cap-and-trade system include: President Obama, many Democratic members of the U.S. Congress, environmental groups and some big companies including Shell, GE, Dow Chemical and Duke Energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aapg.org