PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the data is 0 or ???1, which means that a client is disconnected or there is a socket error, the content server clears the client information of the n-th client (S216).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com