PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Determining, at the end of setup() for instance, that you have enough memory is no guarantee that later, 57 functions deep, you will still have enough memory.However, the value reported by the function will give you an indication of whether there is a problem, or not.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arduino.cc