PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some people suffer from headaches, eyestrain, motion sickness and other problems when watching 3D movies, playing 3D games, watching 3D television, playing hand-held Nintendo 3DS, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • explainxkcd.com