Agent assisted interactive algorithm for computationally demanding multiobjective optimization problems
Ojalehto, V., Podkopaev, D., & Miettinen, K. (2015). Agent assisted interactive algorithm for computationally demanding multiobjective optimization problems. Computers and Chemical Engineering, 77(9 June), 105-115. https://doi.org/10.1016/j.compchemeng.2015.03.004
Julkaistu sarjassa
Computers and Chemical EngineeringPäivämäärä
2015Tekijänoikeudet
© Elsevier Ltd. This is a final draft version of an article whose final and definitive form has been published by Elsevier.
We generalize the applicability of interactive methods for solving computationally demanding, that
is, time-consuming, multiobjective optimization problems. For this purpose we propose a new agent
assisted interactive algorithm. It employs a computationally inexpensive surrogate problem and four
different agents that intelligently update the surrogate based on the preferences specified by a decision
maker. In this way, we decrease the waiting times imposed on the decision maker during the interactive
solution process and at the same time decrease the amount of preference information expected from
the decision maker. The agent assisted algorithm is not specific to any interactive method or surrogate
problem. As an example we implement our algorithm for the interactive NIMBUS method and the PAINT
method for constructing the surrogate. This implementation was applied to support a real decision maker
in solving a two-stage separation problem.
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PergamonISSN Hae Julkaisufoorumista
0098-1354Asiasanat
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