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Aggregating opinions in non-uniform ordered qualitative scales García Lapresta, José Luis Pérez Román, David Toma de decisiones grupales Escala cualitativa Group decision making Qualitative scales Producción Científica This paper introduces a new voting system in the setting of ordered qualitative scales. The process is conducted in a purely ordinal way by considering an ordinal proximity measure that assigns an ordinal degree of proximity to each pair of linguistic terms of the qualitative scale. Once the agents assess the alternatives through the qualitative scale, the alternatives are ranked according to the medians of the ordinal degrees of proximity between the obtained individual assessments and the highest linguistic term of the scale. Since some alternatives may share the same median, an appropriate tie-breaking procedure is introduced. Some properties of the proposed voting system have been provided. Ministerio de Economía, Industria y Competitividad (Project ECO2016-77900-P) 2020-02-21T13:37:16Z 2020-02-21T13:37:16Z 2018 info:eu-repo/semantics/article info:eu-repo/semantics/submittedVersion Applied Soft Computing, 2018, Volume 67, Pages 652-657 1568-4946 http://uvadoc.uva.es/handle/10324/40516 10.1016/j.asoc.2017.05.064 652 657 Applied Soft Computing 67 eng https://www.sciencedirect.com/science/article/pii/S1568494617303423#ack0005 Attribution-NonCommercial-NoDerivatives 4.0 Internacional info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0/ © 2017 Elsevier application/pdf Elsevier https://uvadoc.uva.es/bitstream/10324/40516/4/ASC2-Lapresta-Roman3.pdf.jpg Hispana TEXT http://creativecommons.org/licenses/by-nc-nd/4.0/ UVaDOC. Repositorio Documental de la Universidad de Valladolid http://uvadoc.uva.es/handle/10324/40516