PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, you should build a fully normalized schema, and then denormalize IF performance is a problem AND you can prove that this is needed to enhance performance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • percona.com