PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • not using anything is a very bad idea, because later you could add some field to one of the tables that is already present in some other table
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com