PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The grid accomplishes this balancing by maintaining a good-sized ???spinning reserve??? of some reliable energy source, such as coal or gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com