PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He went on to explain that many forms of renewable energy, particularly wind power, cause problems for power grid operators since power supply is unpredictable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sustainabilityninja.com