PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Scala used in a purely functional way, it is my experience that if you get the types correct the program is probably very close to correct already.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infoq.com