PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other forms of sustainable energy, such as wind, hydroelectric and geothermal, could also be used to generate hydrogen by electrolysis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • motherearthnews.com