PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • never did get involved with that system, mainly because there was no incentive or reason to do it. -IF- a game wants to create a meaningful relationship between the player and an NPC, it has to work at it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gamedev.net