PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other factors, such as refusal to be interviewed and weighting, may introduce additional error that is more difficult to quantify
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com