PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ProblemTest[p,opts]solve the problem, giving a list of rules including the step and evaluation statistics and time from ProblemStatistics[p] and ProblemTime[p] along with rules indicating the accuracy and precision of the solution as compared with a reference solution
http://www.w3.org/ns/prov#wasQuotedFrom
  • wolfram.com