PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A loop can be optimized if its forward edges form an acyclic graph, i.e. a graph with no further loops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com