PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Artificial systems will use metals such as ruthenium and iron to capture light and provide a scaffold for the water-splitting core.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energybulletin.net