PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Another possibility here is that if the NSA is tapping switches in order to access foreign communications, it may not be technically feasible for them to restrict their tap to foreign-only calls. i.e. their technology may just sniff packets, and only determine whether the packets are US or foreign after examining their headers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • volokh.com