info:oai:pure.iiasa.ac.at:4635info:ofi/fmt:xml:xsd:journalSunM.Sun, M.StamA.Stam, A.SteuerR.E.Steuer, R.E.642June 19961526-5501Solving multiple objective programming problems using feed-forward artificial neural networks: The interactive FFANN approachManagement Science835-849article