PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Where data contains unique identifiers, such as email addresses, finding overlapping and unique records is simple, but the issue is complicated when there are no reliable ???key??? fields to match on.
http://www.w3.org/ns/prov#wasQuotedFrom
  • datasalon.com