PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The analog inputs may, for example, be variables such as temperature, flow, pressure, etc. while the digital inputs may typically be true or false indications as to the condition of certain valves, relays and other process elements which typically have binary states, such as on-off and open-closed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com