PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As kpreid already said, he is pretty much Crocker's Rules, but few people can manage them, so assuming them or expecting people to declare them is a bad idea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lesswrong.com