PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I understand that you need Type III sum, but this (stats.ox.ac.uk/pub/MASS3/Exegeses.pdf) article is a good read.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com