publication . Article . 2015

Agent assisted interactive algorithm for computationally demanding multiobjective optimization problems

Vesa Ojalehto; Dmitry Podkopaev; Kaisa Miettinen;
Open Access
  • Published: 01 Jan 2015 Journal: Computers & Chemical Engineering, volume 77, pages 105-115 (issn: 0098-1354, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Finland
Abstract
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 t...
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Subjects
free text keywords: General Chemical Engineering, Computer Science Applications, ta113, interactive methods, agent-based optimization, surrogate problem NIMBUS PAINT, Artificial intelligence, business.industry, business, Waiting time, Interactive algorithm, Decision maker, Separation problem, Multiobjective optimization problem, Mathematical optimization, Multiple objective programming, Computer science
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