The Community for Technology Leaders
2009 13th International Conference Information Visualisation (2009)
Barcelona, Spain
July 15, 2009 to July 17, 2009
ISBN: 978-0-7695-3733-7
pp: 393-402
Spatial multicriteria decision problems are decision problems where one needs to take multiple conflicting criteria as well as geographical knowledge into account. In such a context, exploratory spatial analysis is known to provide tools to visualize as much data as possible on maps but does not integrate multicriteria aspects. Also, none of the tools provided by multicriteria analysis were initially destined to be used in a geographical context.In this paper, we propose an application of the PROMETHEE and GAIA ranking methods to Geographical Information Systems (GIS). The aim is to help decision makers obtain rankings of geographical entities and understand why such rankings have been obtained. To do that, we make use of the visual approach of the GAIA method and adapt it to display the results on geographical maps. This approach is then extended to cover several weaknesses of the adaptation. Finally, it is applied to a study of the region of Brussels as well as an evaluation of the Human Development Index (HDI) in Europe.
Multicriteria decision aiding, MCDA, ranking, PROMETHEE, GAIA, geographical information systems, GIS, visual multicriteria decision making

Y. D. Smet, E. Zimányi and K. Lidouh, "GAIA Map: A Tool for Visual Ranking Analysis in Spatial Multicriteria Problems," 2009 13th International Conference Information Visualisation(IV), Barcelona, Spain, 2009, pp. 393-402.
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