PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for referencing Feynman, you know he was alive when people were talking about the atmospheric greenhouse effect but I can???t find any quotes where he says the effect is a fiction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wattsupwiththat.com