PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With partial evaluation, some rules that are in fact TRUE or FALSE may be conservatively returned as a MAYBE, such as when a rule condition references unavailable data and is not a simple condition that can be evaluated without executing a query such as a SQL query.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es