PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But the principle is the same: most of the data is kept on disk, and demand-loaded, with a reasonable and adjustable cap on the number of entries that are allowed to be in memory at once.
http://www.w3.org/ns/prov#wasQuotedFrom
  • perlmonks.org