PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The purpose of a distributed garbage collection system is to provide a number of garbage collectors, each of which periodically visits all objects in its process and reclaims (collects) the memory allocated for objects that are no longer being accessed by any other object in the same or other processes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com