PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (11)In this section ???postal item??? means any letter, postcard or other such thing in writing as may be used by the sender for imparting information to the recipient, or any packet or parcel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • data.gov.uk