PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Artefacts, including pictures, diagrams and symbols, can be used to provide a ???bridge??? between the context of the task and the mathematical ideas involved.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nzmaths.co.nz