PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cobalt, lead, manganese, vanadium, copper and other heavy metal salts of very weak acids (e.g., metal dr
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com