PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Watson simply did not come up with the answer, and Toronto was its guess. (It communicated its low confidence by adding a lot of question marks.)Even so, how could it guess that Toronto was an American city?
http://www.w3.org/ns/prov#wasQuotedFrom
  • huffingtonpost.com