PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • See this and this answers for examples of problems coming from many small memory allocations and copying, as well as a speed-up one can get from switching from copying to in-place modifications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com