PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a request judgment unit for judging which one of a latest data write request, a snapshot acquisition request, and a release request the received request is if the received request is a write request, and which of a read request of the latest data and a snapshot read request the received request is if the received request is a read request;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com