PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Providing these primitives makes it easy to implement card games. (For example, an implementation of klondike solitaire takes 225 lines of code, including comments and blank lines.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • renpy.org