PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When a return ticket or travel document is issued (or a receipt or other document that indicates an infant traveling without a return ticket or travel document is issued) in connection with a journey which originates in the United States and the return arrival to the United States is from Canada, Mexico, one of the territories and possessions of the United States, or an adjacent island; and
http://www.w3.org/ns/prov#wasQuotedFrom
  • cornell.edu