PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In fact, there is a generalization called Ogden's lemma, and situations in which the pumping lemma is not enough but Ogden's lemma is.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com