PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It makes sense to connect to Star hubs first, like PHX and CLT. They would have an advantage in that both ends are a hub for them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • airliners.net