PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While it may add a somewhat tough learning curve and the tutorial makes it seem much easier than it really is, once you get the hang of it it works well and is a great system for creating various potions and later in the game, Witchers' mutagens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mobygames.com