PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The latter category includes such technologies as wind, hydropower, geothermal, ocean current/wave energy, biomass (agricultural waste, spent pulping liquors, energy crops, etc.), landfill methane or hydrogen derived from a renewable resource.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energy-daily.com