PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for the runtime penalty: Depending on the storage duration of those variables (and I assume static here, which means initialization before main), you will not even be able to measure the penalty, especially not in the code that is using them, assuming you will use them many times, where the lookup has much more overhead than the initialization.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com