PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is sort of expensive, but you can do just sections at a time, i.e. just math, so it is cool.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mothering.com