PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A variety of reactive compounds having free active hydrogens are known in the art including water, hydrogen sulfide, polyols, ammonia and other active compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr