PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As this was done twenty-one years ago, it is particularly pleasing to me, upon the coming of age of this now universally accepted theory,???tried out by application to several million horse power of machines operating in our great industries,???to pay my tribute to the inventor of the motor and the system which have made possible the electric transmission of energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tfcbooks.com