PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unfortunately, there is a drawback in that this signaling scheme has an adverse effect on throughput, especially when a network is heavily loaded; that is, when many data slots are already reserved and few are left available, contention for open slots will be very heavy, since the signaling bandwidth is limited to the small amount taken from the data slots.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com