PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • All three of those, at least, provide both DirectX and OpenGL backends that let you program your game the same regardless of whether GL or D3D are used behind the scenes.I have similar experience.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gamedev.net