PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The second purpose is to group nodes (represented as vertices) and other graphs in a network into higher-level graphs, constructed based on user-defined criteria such as physical location, owning organization, or other partitioning schemes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com