PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Whether or not you tend to think of such tools as peripheral or not, in the end it should come down what is really central -- the learner.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldbank.org