PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (3)A direction under this section takes effect, except so far as it otherwise provides, for an indefinite period beginning with the time at which it is notified to the person to whom it is given.
http://www.w3.org/ns/prov#wasQuotedFrom
  • legislation.gov.uk