PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Eric Lippert has done an excellent blog series (start at Continuation Passing Style Revisited, Part One) on how to deal with it from a compiler's perspective and might give you some ideas, especially on how to handle corner cases and exceptions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • codeproject.com