PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since there exists an inherent potential confusion as to whether a time is an hour ago or 23 hours from now, the time periods as given in Table IIIB are interpreted as lying somewhere within the sliding window that begins four hours prior to and twenty hours ahead of the current time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca