PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Half of all Americans (51 percent) could not correctly identify a renewable energy source such as solar or wind power, 39 percent could not name a fossil fuel, 65 percent overestimated U.S. dependence on Middle Eastern oil, and 52 percent thought that by reducing smog, the United States has come a long way in addressing global warming.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aps.org