PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • IPhO, for example, is much more similar to the physics we learn at school, except the problems are more difficult.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org