PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ve no trouble finding existing examples of both parts, but the code you quoted does not look anywhere close so I suggest that you start by looking at how other people solve the problem. well.. unfortunately I was struggling to find examples, he is why I came here as a last option, because I have run out of ideas, also the english is not my first language then I took longer to understand something.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arduino.cc