PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you never need to us part of the data using SQL, a single column is perfect (a set of notes that the user uses on a screen is a good example.) You wouldn???t want a paragraph, sentence, and character table to store this information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sqlblog.com