PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accordingly, there is a need for a method and apparatus that, not only accurately assembles statistics about the tables of raw data to be processed by the database software, but also for a method and apparatus that can accurately predict the number of rows and UECs for each histogram interval that will be returned by any predicate or relational operator in a query tree.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com