PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Understanding mathematical symbols are an important indicator of advanced mathematical reasoning, as humans can much more efficiently distinguish between the symbolic numbers of 21 and 20 than they can differentiate a group 20 dots and 21 dots, or a pile 20 pebbles and 21 pebbles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • terradaily.com