PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a result, President Obama currently leads Romney in a presidential trial heat (47% Obama, 42% Romney, 11% undecided).Assuming that your text above is a quotation from what was at this link at the time you posted it, what seems probably to have happened is that the newspaper initially confused the presidential matchup with Romney's favorability but has now fixed it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uselectionatlas.org