PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You said s/he is a friend - he is how it worked for me, too, from the other side of the equation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com