PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the event that a DVE goes off-line, its volatile locks are automatically released by virtue of the protocol described elsewhere herein in that a DVE acquires a lock by obtaining permission from all other DVEs in the sharing state for the associated data. [0245] Oplocks may be used as an alternative to other locking mechanisms, such as critical sections, semaphores and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com