PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Elephant jokes are a very specific sort of joke: they are always silly, always presented in a Q and A format, often non-sequiturs or puns, and generally clean.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everything2.com