PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But the equation x^2 + 1 = 0 has no solutions, or nothing is a solution to that equation (assume the solution must be a real number).
http://www.w3.org/ns/prov#wasQuotedFrom
  • volokh.com