PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Students who have studied trigonometry may wish to try transformations of the form to obtain counter-clockwise rotations by angle a, and might experiment with transformations of the form in order to rotate around points other than the origin.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nctm.org