PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Also, here is a link to an older paper I found which seems to address the question, from GRL, 1994.
http://www.w3.org/ns/prov#wasQuotedFrom
  • judithcurry.com