PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At high pressures and temperatures many metals will form organometallics, that means molecules that combine metal atoms with such elements as carbon and hydrogen, possibly with some nitrogen and oxygen also.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.fr