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Comparing Graphic and Symbolic Classification in Interactive Multiobjective Optimization
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Optimization and Systems Theory.
Department of Mathematical Information Technology, University of Jyväskylä.
2003 (English)In: Journal of Multi-Criteria Decision Analysis, ISSN 1057-9214, E-ISSN 1099-1360, Vol. 12, no 6, 321-335 p.Article in journal (Refereed) Published
Abstract [en]

In interactive multiobjective optimization systems, the classification of objective functions is a convenient way to direct the solution process in order to search for new, more satisfactory, solutions in the set of Pareto optimal solutions. Classification means that the decision maker assigns the objective functions into classes depending on what kind of changes in their values (in relation to the current values) are desirable.

Here we study the role of user interfaces in implementing classification in multiobjective optimization software and how classification should be realized. In this way, we want to pay attention to the usability of multiobjective optimization software. Typically, this topic has not been of interest in the multiobjective optimization literature. However, usability aspect is important because in interactive classification-based multiobjective optimization methods, the classification is the core of the solution process. We can say that the more convenient the classification is, the more efficient the system or the method is and the better it supports the work of the decision maker.

We report experiments with two classification options, graphic and symbolic ones, which are used in connection with an interactive multiobjective optimization system WWW-NIMBUS. The ideas and conclusions given are applicable for other interactive classification-based method, as well.

Place, publisher, year, edition, pages
2003. Vol. 12, no 6, 321-335 p.
Keyword [en]
multiple criteria decision making; classification; graphic and symbolic interfaces; interactive methods
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-83733DOI: 10.1002/mcda.368OAI: diva2:498969
NR 20140805Available from: 2012-02-12 Created: 2012-02-12Bibliographically approved

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Miettinen, Kaisa
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