PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since President Obama first took office on January 20, 2009, many commodities have doubled, including gold, silver and crude oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amac.us