PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In other words, since The central monitor board (30) monitors states of all indoor units (20, 20, . . . ), it is essential only that the signal to be transmitted is a signal for changing the state of an indoor unit (20) as a slave unit (2b) in accordance with the state change of the indoor unit (20) as a master unit (2a).
http://www.w3.org/ns/prov#wasQuotedFrom
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