PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 'Helping verbs' work with the main verb to give the reader a better idea of when the action takes place - in he present, past or in the future e.g. have, had and shall.
http://www.w3.org/ns/prov#wasQuotedFrom
  • englishlanguageterminology.org