PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I found Edward's additional explanations very helpful, especially about "stealing a reference and using PyTuple_SetItem().
http://www.w3.org/ns/prov#wasQuotedFrom
  • thecodingforums.com