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The impact of interactive visualization on trade-off-based geospatial decision-making
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Computer and Geospatial Sciences, Computer Science.ORCID iD: 0000-0003-1452-2208
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Computer and Geospatial Sciences, Decision, Risk and Policy Analysis.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Computer and Geospatial Sciences, Computer Science. Division of Visual Information and Interaction, Department of Information Technology, Uppsala University, Uppsala, Sweden.ORCID iD: 0000-0003-0085-5829
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Computer and Geospatial Sciences, Geospatial Sciences.ORCID iD: 0000-0002-3884-3084
2019 (English)In: International Journal of Geographical Information Science, ISSN 1365-8816, E-ISSN 1365-8824, Vol. 33, no 10, p. 2094-2123Article in journal (Refereed) Published
Abstract [en]

In a previous work we developed GISwaps, a novel method for geospatial decision-making based on Even Swaps. In this paper, we present the results of an evaluation of a visualization framework integrated with this method, implemented within a decision support system. This evaluation is based on two different studies. In the quantitative study, 15 student participants used GISwaps with no visual features, and 15 participants used GISwaps with the integrated visual framework, as the tool in a solar farm site location case study. The results of the quantitative evaluation show positive impact of the visualization in terms of increased coherency in trade-offs. The results also show a statistically significant difference in average trade-off values between the groups, with users from the non-visual group setting on average 20% higher trade-off values compared with the users in the visual group. In the qualitative study, we had one expert in GIS, two experts in decision-making and two experts in solar energy as a focus user group. Data in this study were obtained by observations and semi-structured interviews with the participants. The impact of the visualization framework was assessed positively by all participants in the expert group. 

Place, publisher, year, edition, pages
Taylor & Francis, 2019. Vol. 33, no 10, p. 2094-2123
Keywords [en]
GIS decision-making, GISwaps, interactive visualization, tradeoffs
National Category
Computer and Information Sciences Physical Geography
Identifiers
URN: urn:nbn:se:hig:diva-30515DOI: 10.1080/13658816.2019.1613547ISI: 000470448200001Scopus ID: 2-s2.0-85065643312OAI: oai:DiVA.org:hig-30515DiVA, id: diva2:1343650
Available from: 2019-08-19 Created: 2019-08-19 Last updated: 2019-08-19Bibliographically approved

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Milutinovic, GoranAhonen-Jonnarth, UllaSeipel, StefanBrandt, S. Anders

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