PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, link characteristics related to security, such as whether the link are bi-directional (e.g., both servers can initiate a connection) should be taken into consideration to provide secured access to documents in the system. [0024] In accordance with a particular embodiment of the invention, the computer systems 102, 104, 106 are world wide web (WWW) servers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk