PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The machine of the invention plays the roll of the instructor while controlling the display means and while giving the training in the calculation, so that in effect there is a dialogue between the machine and the student replacing that which conventionally takes place between an instructor and a student.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com