PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Actually, as I got to thinking about this, I think the variety of different ways this can be determined efficiently for different numeric types might justify having this as a method.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ruby-lang.org