PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Also, there was a recent discovery in which a tablet used pi as 3 and 1/8 (3.125 for 3.14159~).
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com