PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Traffic was mainly concerning ships business, cargo, crewchanges, position reports and of course when necessary, weather repors, navigation hazard warnings, distress, search and rescue, or other emergencies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • shipsnostalgia.com