PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It might have been more fun if there was an answer using only built-ins "select exp(sum(ln(partnum))) from plch_parts; (even though it will work only when partnum is always > 0) ..and even though the purpose of quiz was to teach custom aggregate. :)
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com