Aggregation Trees for visualization and dimension reduction in many-objective optimization.

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dc.contributor.authorFreitas, Alan Robert Resende de
dc.contributor.authorFleming, Peter J.
dc.contributor.authorGuimarães, Frederico Gadelha
dc.date.accessioned2015-01-21T17:59:37Z
dc.date.available2015-01-21T17:59:37Z
dc.date.issued2015
dc.description.abstractThis paper introduces the concept of Aggregation Trees for the visualization of the results of high-dimensional multi-objective optimization problems, or many-objective problems and as a means of performing dimension reduction. The high dimensionality of manyobjective optimization makes it difficult to represent the relationship between objectives and solutions in such problems and most approaches in the literature are based on the representation of solutions in lower dimensions. The method of Aggregation Trees proposed here is based on an iterative aggregation of objectives that are represented in a tree. The location of conflict is also calculated and represented on the tree. Thus, the tree can represent which objectives and groups of objectives are the most harmonic, what sort of conflict is present between groups of objectives, and which aggregations would be helpful in order to reduce the problem dimension.pt_BR
dc.identifier.citationFREITAS, A. R. R. de.; FLEMING, P. J.; GUIMARÃES, F. G. Aggregation Trees for visualization and dimension reduction in many-objective optimization. Information Sciences, v. 298, p. 288-314, 2015. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0020025514011347#>. Acesso em: 21 jan. 2015.pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.ins.2014.11.044
dc.identifier.issn0020-0255
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/4293
dc.language.isoen_USpt_BR
dc.rights.licenseO periódico Information Sciences concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3552540146011.pt_BR
dc.subjectAggregation treespt_BR
dc.subjectEvolutionary computationpt_BR
dc.titleAggregation Trees for visualization and dimension reduction in many-objective optimization.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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