PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Have a flag indicating whether the timer was running or stopped, and turn it on and off based on the state of the two switches.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arduino.cc