PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, human observation of operation of air conditioning equipment is, typically, a major source of information and known types of controls typically require external devices which must be connected to a microprocessor control board, for example, and require an interface and a computer to retrieve desired information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com