PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Along with a mission-based campaign; it features a leveling system that sees you unlocking new things such as weapons, planes and characters as you gain experience points by destroying enemy planes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • giantbomb.com