PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sometimes, such as in the case of see gravitational attraction between bodies, we???ll want to model equal and opposite forces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • natureofcode.com