PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You could choose to simplify further, such as to ((2 * x * y) + (6 * x) + (2 * y) + 6)), but it is not necessary.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mit.edu