PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This problem is a special case of the optimal euler circuit problem where all edge weights are 1; the original problem is NP-complete.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com