PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A 2006 poll of Ph.D. members of the American Economic Association found that 87.5 percent agreed that ???the U.S. should eliminate remaining tariffs and other barriers to trade.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org