PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Often the function is a simple non-recursive one, and you call a higher-order function such as map or fold to do the actual recursion, but I am going to presume you need the practice thinking recursively and want to see it explicitly.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com