PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Q: There was a recent account of these events, which we were talking about earlier, and in it there is a story that Roosevelt first endorsed the Wagner bill and then withdrew his support.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ssa.gov