PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (B) Where a notice or other document is served or sent by post, service or delivery shall be deemed to be effected at the expiration of 24 hours (or, where second-class mail is employed, 48 hours) after the time when the cover containing the same is posted and in proving such service or delivery it shall be sufficient to prove that such cover was properly addressed, stamped and posted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov