PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But these days there is a tool in their bag of tricks that you will not see on stage - a little mathematics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com