PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Process interface elements are devices which relate electrical signals to physical process conditions, and include devices such as sensors, limit switches, valve controllers, heaters, motor controllers, and a number of other devices. [0003] The process controller is typically a microcomputer located in a control room away from the process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com