PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first app is Graphbook that presents graphs in 2D, 3D or 4D to help the student understand fully the different types of graphs and how to use them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • classroom20.com