PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I do not think cloning the queries is an issue, it happens all the time when doing rewrites, and it is definitely better than modifying those queries in-place.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apache.org