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Synchronous approach in interactive multiobjective optimization
Helsinki School of Economics.
Department of Mathematical Information Technology, University of Jyväskylä.
2006 (English)In: European Journal of Operational Research, ISSN 0377-2217, Vol. 170, no 3, 909-922 p.Article in journal (Refereed) Published
Abstract [en]

We introduce a new approach in the methodology development for interactive multiobjective optimization. The presentation is given in the context of the interactive NIMBUS method, where the solution process is based on the classification of objective functions. The idea is to formulate several scalarizing functions, all using the same preference information of the decision maker. Thus, opposed to fixing one scalarizing function (as is done in most methods), we utilize several scalarizing functions in a synchronous way. This means that we as method developers do not make the choice between different scalarizing functions but calculate the results of different scalarizing functions and leave the final decision to the expert, the decision maker. Simultaneously, (s)he obtains a better view of the solutions corresponding to her/his preferences expressed once during each iteration.

In this paper, we describe a synchronous variant of the NIMBUS method. In addition, we introduce a new version of its implementation WWW-NIMBUS operating on the Internet. WWW-NIMBUS is a software system capable of solving even computationally demanding nonlinear problems. The new version of WWW-NIMBUS can handle versatile types of multiobjective optimization problems and includes new desirable features increasing its user-friendliness.

Place, publisher, year, edition, pages
2006. Vol. 170, no 3, 909-922 p.
Keyword [en]
multiple objective programming, MCDM, Internet, interactive methods, NIMBUS, WWW-NIMBUS, nonlinear programming
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-83658DOI: 10.1016/j.ejor.2004.07.052ISI: 000233524800013OAI: diva2:498881
QC 20120227Available from: 2012-02-12 Created: 2012-02-12 Last updated: 2012-02-27Bibliographically approved

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Miettinen, Kaisa
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