PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydrogen could be a significant fuel of the future, with the potential to make a major contribution to the resolution of pressing social and environmental problems such as carbon emissions, energy security and local air pollution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • salford.ac.uk