PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I used it recently to derive a formula for the difference between two variables, each raised to the nth power, where n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathforum.org