PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So physics answers some types of why questions but not others, because in English usage 'why' is overloaded and can be used to ask for many different kinds of things.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com