PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Perhaps it would also be possible to use AtomicStrings in a way similar to HTMLNames - but since the HTTP request itself is so slow, I am not sure if optimizing these comparisons is necessary.
http://www.w3.org/ns/prov#wasQuotedFrom
  • webkit.org