PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method and an apparatus for exchanging programmable logic controllers (PLC) of a control system configured in an active standby, duplex or redundant set-up on an Internet Protocol (IP) network.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com