PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As concerns the carboxyl groups participating in the formation of the aliphatic polycarboxylic acid, three or four carboxyl groups may form any of the salts mentioned above or a part of these carboxyl groups, e.g. one, two, or three carboxyl groups, may form such salts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com