PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In answer to your question about question marks, when a question is a request, some people do not use question marks, though others do.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usingenglish.com