PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Especially when used in fuel cells, hydrogen is a very efficient energy carrier and could help solving some of the world's energy challenges.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mdpi.com