PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some classifications of solar technology are active, passive, direct and indirect.Active solar systems use electrical and mechanical components such as tracking mechanisms, pumps and fans to process sunlight into usable outputs such as heating, lighting or electricity.Passive solar systems use non-mechanical techniques of controlling, converting and distributing sunlight into usable outputs such a
http://www.w3.org/ns/prov#wasQuotedFrom
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