PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydrogen gas, which is useful in chemical manufacturing and industrial applications including fuel cells, can be economically made from water using the same method.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greencarcongress.com