PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Of course an if could solve this just as easy, but the fact remains that I just fail to see why you couldn???t use exceptions (logically that is, I can see that when performance is an issue that in certain cases exceptions should be avoided).
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com