PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • of sources such as wind, solar, photovoltaic, biofuels, geo- thermal and hydro for energy supply analysis, economics and operations, utility regulatory policy, renewable resource integration and industry, Berkeley.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov